Celebrity Inventors
Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7658235 | Three-point hitch for utility vehicle A three-point hitch assembly is removeably attachable to a rear interface mount on a utility vehicle. The three-point hitch assembly includes a rock shaft, an actuator, an actuator arm and a float mechanism. The actuator arm is fixed to the actuator at a first end a... | 02/09/2010 |
| 7308947 | Connection of the hitch arm of a pull-type crop harvesting machine to a tractor A pull-type crop harvesting machine has a header carried on a frame mounted on ground wheels with a hitch arm extending from the frame over the header to a hitch connector of a tractor. The hitch arm is mounted for pivotal movement about a generally upright axis suc... | 12/18/2007 |
| 7306252 | Hydraulic drive arrangement for the cutter of a pull-type crop harvesting machine A pull-type crop harvesting machine has disk cutter carried on a frame mounted on ground wheels with a hitch arm extending from the frame over the header to a hitch connector of a tractor. The hitch arm is mounted for pivotal movement about a generally upright axis ... | 12/11/2007 |
| RE39889 | Implement for preparing seedbeds An implement for preparing seedbeds and lawns includes a main frame member upon which are mounted scarifying teeth to penetrate the soil and tines which work the soil and prepare the final grade after the soil has been scarified. A subframe is pivotally mounted on t... | 10/23/2007 |
| 7278502 | Implement and power take off attachment system A quick attaching coupler is mounted to a tractor three point hitch, with a first actuator linked to latches on both sides of the hitch. The first actuator may be moved by a seated operator between a first position wherein both latches are unlatched and a second pos... | 10/09/2007 |
| 7264064 | Hydraulic pump drive A hydraulic pump drive is mounted to the tongue of an agricultural implement. Connecting components between the pump and the drawbar extender of the towing tractor aim the pump input shaft toward the tractor. A short telescoping PTO assembly connects the pump shaft ... | 09/04/2007 |
| 7204318 | Tracking hitch assembly utilizing tractor lift arms as stabilizers A tracking hitch assembly couples to the drawbar of the tractor in a conventional manner. To prevent the hitch from pivoting with respect to the drawbar, the hitch includes an adjustable hitch stabilizer which engages the lift arms of the tractor. When a pivoting fo... | 04/17/2007 |
| 7124835 | Agricultural machine comprising a towed support frame and rollers provided with a set of dome profile pneumatic tires The machine comprises a given number of roller pairs respectively connected to the machine frame by a linking part (32). The linking part (32) of each roller pair is adapted so as to enable the rollers (12a, 12b) to incline ... | 10/24/2006 |
| 7125033 | Towing apparatuses Towing apparatuses suited for use with, for example, three-point hitches or quick hitches. At least some of the present towing apparatuses include a male hitch member that is positioned such that a force acting through the male hitch member (such as a force transmit... | 10/24/2006 |
| 7055618 | Hydraulic pump drive A hydraulic pump drive is mounted to the tongue of an agricultural implement. Connecting components between the pump and the drawbar extender of the towing tractor aim the pump input shaft toward the tractor. A short telescoping PTO assembly connects the pump shaft ... | 06/06/2006 |
| 6915862 | Three point hitch for utility vehicle A three point hitch for a cart-type utility vehicle wherein the utility vehicle comprises a vehicle frame that includes an axle housing and an upper frame cross member. The three point hitch comprises a pair of spaced apart lower draft links, each pivotally mounted ... | 07/12/2005 |
| 6585056 | Machine with a multifunctional chassis for working the soil in tree or shrub plantations Machine for working the soil in tree or shrub plantations, consisting of a chassis (1-2) equipped with mechanisms (4-5a, 11, 11) allowing it to be mounted on the universal three-point hitch system of a farm tractor and consisting, laterally, of mechanisms... | 07/01/2003 |
| 6412570 | Draw bar swivel hitch A pull-type implement has operating components that are driven by a mechanical drive line on the tongue of the implement. An upper gear box is fixed to the front end of the tongue and a lower gear box swivels relative to the upper gear box about an uprigh... | 07/02/2002 |
| 6230636 | Agricultural machine Disclosed is a cultivator mounted to roll about a horizontal axis transverse to the direction of travel of the machine in combination with a hopper. The cultivator and hopper are mounted on a frame which is adapted to be connected to a three-point hitch o... | 05/15/2001 |
| 5931234 | Multi-purpose retractable tractor toolbar device The present invention is a multi-purpose tractor toolbar device which is designed to be attached to a conventional tractor. The toolbar includes a first frame section and a second frame section. The first frame section is slideably mounted to the second f... | 08/03/1999 |
| 5816339 | Implement swivel hitch for use with a quick-coupler An implement hitch is mounted to the forward end of an implement tongue for swivelling about an upright axis. The hitch includes right- and left-hand arm assemblies which each include separate inner and outer arms mounted for swinging about a horizontal t... | 10/06/1998 |
| 5806605 | Implement for preparing seedbeds An implement for preparing seedbeds and lawns includes a main frame member upon which are mounted scarifying teeth to penetrate the soil and tines which work the soil and prepare the final grade after the soil has been scarified. A subframe is pivotally m... | 09/15/1998 |
| 5771980 | Soil leveling apparatus with improved frame and hitch An improved soil leveling apparatus includes a hitch (202 or 302) for connecting the frame to the loader arms and tilt cylinder(s) of a skid steer loader. The hitch (302) includes a hitch plate (304) that can selectively be made rigid with the frame or ca... | 06/30/1998 |
| 5579850 | Cultivating system and cultivating machine with plow-depth control function A cultivating system including a tractor, a cultivating machine for performing a cultivating work in combination with the tractor, and a link mechanism for linking the tractor and the cultivating machine, includes a free-motion mechanism provided to at le... | 12/03/1996 |
| 5511625 | Soil leveling apparatus with improved frame and hitch An improved soil leveling apparatus includes a hitch (202 or 302) for connecting the frame to the loader arms and tilt cylinder(s) of a skid steer loader. The hitch (302) includes a hitch plate (304) that can selectively be made rigid with the frame or ca... | 04/30/1996 |
| 5168872 | Boom, particularly a spreading boom for suspension on an outer frame of an agricultural tool, such as an agricultural vehicle A boom, particularly a spreading boom for suspension on an outer frame (1) of an agricultural tool and of the type in which the suspension device comprises spring suspension and shock absorbing devices in the form of a trapezoidal suspension with two subs... | 12/08/1992 |
| 4930801 | Front mounted implement An implement adapted for connection to a vehicle three point hitch on the front of a pushing vehicle wherein the implement is provided with at least one forward ground contacting rolling support means mounted to a forward portion of the implement frame, a... | 06/05/1990 |
| 4903781 | Flexible mounting system for agricultural implements A compact flexible mounting system for connection of an agricultural implement to a tractor includes a load transfer member pivotally attached to the upper stabilizing link of a three-point hitch and to the implement support frame to which the lower links... | 02/27/1990 |
| 4679634 | Apparatus for extending the frame of a tractor An apparatus for extending the frame of a conventional tractor whereby an agricultural implement may be mounted between the front and rear wheels of the tractor. A tractor is converted to an extended frame tractor by dismounting the front wheels of the tr... | 07/14/1987 |
| 4676012 | Three point hitch rock and root puller A pair of cultivator shanks are secured together in side-by-side relationship and pivotally connected by the upper end thereof to a three point hitch assembly of a tractor. Check chains limit the sideways swinging movement and the most important aspect of... | 06/30/1987 |
| 4625990 | Implement coupler kit for tractor An implement coupler hitch for a mini-tractor having a dump bed and actuating ram for conversion to an implement lift, such as a three-point lift for agricultural implements. The mini-tractor may have a power take-off on a platform for portage of a tank f... | 12/02/1986 |
| 4585075 | Soil leveling apparatus with improved frame and hitch An improved soil leveling apparatus (10) includes a frame (12), connecting hitch means (14), and adjustable lost motion linkage (48) secured to the top connection point (52) of the hitch, and an optional scarifier assembly (16) which is supported on a con... | 04/29/1986 |
| 4518046 | Multiple implement hitch and transport A two-wheeled trailer hitch supporting two three-point hitch mounted implements side-by-side for field operation. The implements are mounted on outriggers which are foldable forwardly to narrow the unit for transport. A pair of rigid diagonal drag links m... | 05/21/1985 |
| 4378052 | Articulated tractor attachment with roller A clevis-shaped bracket including an A-frame is adapted for attachment to the three point hitch of a tractor. A roller supporting frame is mounted within the bracket for articulated movement about the vertical axis of a pivot located within the hitch supp... | 03/29/1983 |
| 4359106 | Agricultural implement for building irrigation flow channels The rowbucker apparatus for scraping and extending berm areas adjacent an irrigation ditch. The rowbucker comprises a frame that is towable by a tractor and supports a rotor for rotation. A tramper or trip mechanism is provided to engage the moldboard sur... | 11/16/1982 |
| 4299290 | Grading machine and blade moving structure therefor A mobile grading machine and method with a scraper structure including a grading blade supported by caster wheels trailing therebehind. A trailing connection is disposed between the scraper structure and the caster wheels in fixed lateral relation relativ... | 11/10/1981 |
| 4283071 | Adjustable length coupling for towing and lifting a tractor drawn implement A traction coupling between a tractor and an agricultural implement, capable of being easily shiftable between a towing position and a position in which the implement is mounted on the three-point-lift of the tractor. The coupling includes a traverse whic... | 08/11/1981 |
| 4258765 | Log splitter for a truck having a three-point snowplow hitch and hydraulic pressure system A hydraulic log splitter for connection to the three-point snowplow hitch and the hydraulic pressure system of a truck so that the log supporting beam in log splitting position of the splitter is near the ground in a region close to and parallel to the fr... | 03/31/1981 |
| 4239251 | Compensating hitch A compensating hitch adapted to be coupled between a three-point draft system at the rear end of a wheeled tractor and the front end of a trailing earthworking implement which is wheel supported rearwardly of an earthworking blade thereof; the hitch inclu... | 12/16/1980 |
| 4232878 | Apparatus for coupling a tractor and farm implement A coupler unit is provided for attaching a tractor to a farm implement. The unit includes a frame pivotally attached between the farm implement and lower trailing arms extending rearwardly from the tractor. Structure is provided from the upper portion of ... | 11/11/1980 |
| 4142587 | Rotary cultivators Rotary cultivator having resilient vibration damper acting between the cultivator's drive and a reaction member, to absorb vibration generated by varying torque reaction exerted on the drive during use.... | 03/06/1979 |
| 4140187 | Harrow support Support means for use in connecting a circular harrow to a tractor. The support means allow the harrow to pivot about two perpendicular, generally horizontal, axes thus permitting the harrow to more closely follow the contour of the ground being harrowed.... | 02/20/1979 |
| 4125271 | Tool suspension This invention relates to a tool suspension for mounting tools upon either the front or rear of a vehicle in the form of a three-point suspension for hydraulic lifting and lowering. A hydraulic mechanism comprising two mutually independently operable cyli... | 11/14/1978 |
| 4095652 | Implement coupling member A cultivating implement has an elongated frame portion and a row of soil working members rotatably mounted on that portion. A coupling member is interconnected at the front of the frame portion for connection to the conventional three-point lifting links ... | 06/20/1978 |
| 3995697 | Weight transfer unit A tillage implement behind a farm tractor is picked up at the center of gravity, therefore, transferring weight to the rear wheels of the tractor while not changing the setting or balance of the tillage implement.... | 12/07/1976 |
