Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.

Searching: North Dakota





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-4,121,798 Utensil handle holder
A holder for supporting elongated handles of utensils in a generally vertical position, and including a clip portion for grasping a handle, and a mounting...
US-4,120,365 Track eliminator apparatus
Track eliminator apparatus mountable on a tractor to be between the tractor and the grain box of a grain drill for breaking up the soil compacted by the tractor...
US-4,117,944 Backhoe mounting assembly
A backhoe mounting assembly for a skid steer loader. A backhoe mounting assembly is provided for securing a backhoe to the front end of a skid steer loader at a...
US-4,117,902 Engine cooling system for a skid-steer loader
The cooling system of a skid-steer loader provides a high mount radiator and employs negative pressure to cool the engine. Circulating air is drawn into the...
US-4,117,899 Hydraulic system for a skid-steer loader
Provided in the hydraulic system for a skid-steer loader is a porting block controlling flow of hydraulic fluid to the driving portion of the hydraulic system....
US-4,117,891 Ground drive for grain drills
A drive roller for driving feeding and metering mechanisms for seed and fertilizer of a grain drill which utilizes a drive roller riding against a pair of...
US-4,116,140 Press wheel depth control for grain drill furrow openers
A depth control for grain drills, planters or the like utilizing a press wheel which can be adjusted to control the depth of each individual furrow opener to...
US-4,116,138 Automatic fluid fertilizer control apparatus
A control valve for automatically controlling fluid fertilizer is introduced in a fluid fertilizer application system of the type comprising: a fertilizer...
US-4,113,273 Multiple implement folding hitch
A multiple implement folding hitch designed to permit a plurality of implements to be pulled in a side-by-side relationship during field operations and adapted...
US-4,113,272 Tow bar with towed vehicle suspension feature
First and second generally horizontal tow bar arm sections are provided and joined together at one pair of corresponding end portions in generally end aligned...
US-4,113,116 Device for towing rolled bales of hay
The invention comprises a device for towing and transporting a roll of hay, said device having a pair of arms with points at their rearward outer ends for...
US-4,110,170 Home water distiller
A home water distiller which provides for an efficient distillation process wherein the inlet water supply is controlled as a function of the temperature of the...
US-4,108,535 Safety device for bicycle
A safety device suitable for mounting on bicycles which includes a pinwheel rotatable in response to airflow relative to the bicycle. The pinwheel carries a...
US-4,107,888 Mobile home skirting
Retractable skirting for selectively enclosing the space between the floor and ground of a structure supported above the ground surface. The skirting includes a...
US-4,102,745 Process for producing dextrose using mixed immobilized enzymes
Process for converting starch to dextrose wherein a partially hydrolyzed starch solution containing at least 10 percent hydrolyzed starch is contacted with an...
US-4,101,244 Vertical axle paddle motor
A vertical axle paddle motor including a support structure with a rotor mounted on the vertical axle, the rotor having a plurality of arms with paddle members...
US-4,100,032 Process for carbonizing lignite coal
A process for carbonizing lignite coal in a Herreshoff Carbonizer of a multi-hearth type. The novel process comprises the steps of introducing given quantities...
US-4,099,794 Track pad
A track pad, a plurality of which when interconnected comprise an endless track for entrainment about a pair of tandem tired wheels, each track pad having a pair...
US-4,097,256 Powered contaminant discharge evacuator in connection with air cleaner
This invention relates to an improvement in an apparatus attached to an air cleaner such as of an internal combustion engine as in connection with a farm tractor...
US-4,097,039 Strip laying apparatus
An apparatus for laying an elongate strip in substantially uniform layers and side-by-side rows includes a conveyer assembly for receiving a generally...
US-4,091,823 Cyclogeraniol and derivatives thereof as tobacco flavorants
A process for improving, enhancing or modifying the organoleptic properties of tobacco products which comprises adding thereto a compound selected from the group...
US-D248,037 Pickup camper hold down
US-4,090,624 Round bale transporter
Apparatus for handling, transporting, and unrolling large cylindrical bales of hay, including a frame mountable in the box of a pickup truck or on its own...
US-4,090,411 Skid-steered tractor vehicle combined steering lever and auxiliary control with self-centering mechanism
A skid-steered tractor vehicle is driven by right and left hydrostatic transmissions having separate steering levers, one for each transmission. A centering...
US-4,089,750 Water distiller with cone shaped condenser
A water distiller arrangement which provides for an efficient distillation process wherein the inlet water supply is controlled as a function of the temperature...
US-4,089,565 Removable track structure for wheeled vehicles
A flexible track belt for removable, wraparound mounting on vehicle tires is comprised of a plurality of track sections which are linked together for pivotal...
US-4,086,975 Articulated tractor with multiple power plants
An articulated tractor in which there is a front first tractor vehicle and rear second and third tractor vehicles, each of the tractors having an engine for...
US-4,085,813 Throttle control for articulated tractor with multiple power plants
A throttle control system for a tractor having at least three tractor vehicles each of which has its own engine and wheels driven by the engine, in which there...
US-4,081,092 Tractor with lifting mechanism for mounting a bulldozer blade or the like
A tractor is provided on either side with elongated lifting beams pivotally joined rearwardly to the tractor frame and including at least one cross member...
US-4,081,004 Weighing hopper and method
An improved weighing hopper for use with a transition chute in a weighing scale of a packaging machine system is disclosed which provides for better control of...
US-4,079,867 Soap dispenser
A dispenser for soap or the like comprising a hopper having a lower discharge outlet and a rotatable metering device within the outlet including a plurality of...
US-4,079,800 Control apparatus for front end loader
The invention comprises a control apparatus for controlling the speed of the drive of a front end loader. The apparatus has a pair of hydrostatic motors for...
US-4,079,679 Self locking folding leg
A self-locking folding leg arrangement which enables extending the leg and automatically locking the leg when the extended position is reached, enables quickly...
US-4,077,605 Sealed cartridge valve assembly
This invention relates to the sealed faucet valve assembly which is particularly designed to repair corroded or damaged valve stem mechanisms without replacement...
US-4,077,478 Down pressure control mechanism for grain drills
A down pressure control for use with furrow openers in grain drills which provides a spring load for maintaining down pressure on the furrow opener during normal...
US-4,074,788 Tractor door latch
A yieldable door latch for holding open the door of a tractor cab in which the fender adjacent the door is of a width comparable to the width of the door, the...
US-4,074,786 Self locking compartment for tractor
A tractor having a driver's cab, an accessory compartment in the fender immediately adjacent the door to the driver's cab, the accessory compartment having a...
US-4,074,782 Hydraulic system of a skid steer loader
A skid steer loader comprising an improved loader main frame and including an operator's compartment designed to present a low profile vehicle particularly...
US-4,073,346 Combination tractor and farm implement hitch means
A first farm implement having a front three-point hitch connection for mounting on a tractor is equipped with a rear three-point hitch means for connection with...
US-4,072,487 Air conditioning apparatus for tractor cab
Air conditioning apparatus for a tractor cab in which filter and air inlets are disposed in a portion of the roof projecting rearwardly beyond the cab, the air...
US-4,070,810 Cutting apparatus
A combine header has a transverse platform carrying a cutting apparatus. An elongated auger having reverse spiral flights move cut material along the platform to...
US-4,068,723 Floating beam plow
A beam for supporting an earth working tool, such as a moldboard plow, which is made so that it will float vertically over obstacles that do not hook the earth...
US-4,068,365 Locking puller device
The invention comprises an improvement in a locking puller device. The locking puller has three pivotally mounted jaws and a cam ring which moves forward to...
US-4,067,635 Plug holder for head bolt heaters
The invention comprises a holder or support for the outlet plug of an electric heater for an engine of a vehicle. The holder has a pair of parallel plates...
US-4,067,393 Method and apparatus for handling and laying strips of sod
A sod handling machine similar to fork lift truck which permits the handling of pallets of sod without loss of sod from the pallet, and further includes...
US-4,066,315 Electrical connector with arcuate detent means
An electrical connector having a receptacle means including a receptacle shell and a plug means including a plug shell, coupling means including a coupling...
US-D246,859 Scaffold jack
US-4,065,726 Negative feedback amplifier and lever shifter
A direct coupled linear amplifier which employs negative feedback to prov accurate and stable gain to AC as well as DC input signals. It also performs the...
US-4,065,416 Water-based coatings with reduced solvent or water popping and sagging
This invention relates to a water-based coating composition in which solvent or water popping and sagging are eliminated or substantially reduced. The...
US-4,065,415 Water-based coatings with improved sagging and popping characteristics
This invention relates to a water-based coating composition in which solvent or water popping and sagging are eliminated or substantially reduced. The...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | Next →

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.