...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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 |
| 7204319 | Jointed rockshaft with angularly adjustable segments A flexible rockshaft includes joint structure facilitating the adjustment of the rotational angle of rockshaft segments relative to each other. A link inserted between a rockshaft segment and the rockshaft flex member rotates on the same or a parallel pivot as adjac... | 04/17/2007 |
| 6752220 | Farm equipment hitch A farm equipment hitch comprises a hitch frame, a lift linkage, a lift cradle, a ram and a plurality of locking mechanisms. ... | 06/22/2004 |
| 6530332 | Agricultural earth working apparatus An earth working apparatus is disclosed. The apparatus generally includes a frame, a harrow cultivator connected to the frame and adapted to be angled and adjusted for height with respect to the frame, a plow cultivator connected to the frame and adapted ... | 03/11/2003 |
| 6305478 | Hydraulic controls for agricultural implements An agricultural implement, having ground engaging tools mounted on subframes that are movable through hydraulic actuators between raised transport and lowered working positions, is provided with a hydraulic circuit in which the actuators are connected in ... | 10/23/2001 |
| 6202756 | Forwardly folding agricultural planter An agricultural planter is provided with hydraulically operated devices to effect the folding and unfolding of the planter support structure between operative and transport configurations. The planter includes a telescopic hitch apparatus that lengthens a... | 03/20/2001 |
| 5988294 | Cultivator A cultivator for towing by an ATV comprises a cultivator frame including a plurality of horizontal parallel tool bars and a pair of side rails interconnecting the tool bars to hold the tool bars at right angels to a direction of forward movement of the fr... | 11/23/1999 |
| 5911279 | Automated ripper depth adjustor apparatus The automated ripper depth adjustor apparatus includes a pivot tube raised above the side plates of a box scraper attached to the three-point hitch of a tractor and extending across the width of the box scraper. The shanks of each ripper are connected to ... | 06/15/1999 |
| 5829535 | Common depth control adjustment for a ground opener An agricultural apparatus comprises a main frame with ground wheels supporting the frame for movement across the ground and a plurality of ground engaging openers mounted on the frame for engaging the ground. Each opener includes a depth control wheel mou... | 11/03/1998 |
| 5810097 | Attachment system for mounting road-maintenance equipment on a vehicle An attachment system for mounting road-maintenance equipment on a vehicle such as a motor grader includes a frame for mounting on the nose plate of the vehicle to support the conditioning equipment forwardly and partly outboard of the vehicle. The system ... | 09/22/1998 |
| 5794714 | Finish dirt scraper This invention relates to a dirt leveling device adapted for towing by a tractor which is characterized by one or more chisels attached to a transverse shaft on the front of the dirt leveling device having a rotatable relationship thereto, and a dirt leve... | 08/18/1998 |
| 5762147 | Tractor front mount for implement attachment and use This invention is a simple, safe, and inexpensive beam structure for tractor forward mounting of a blade (24). A pivot plate (11) is mounted at the tractor lower mid-section. Parallel beams (12) are positioned through the pivot plate (11) and extend beyon... | 06/09/1998 |
| 5622227 | Multi-functioned farm implement for treating soil A farm implement has a rigid frame from which is supported a mechanism for breaking and loosening compacted soil. A first plurality of S-tines are supported by the frame and disposed behind the breaking and loosening mechanism. Each S-tine has a sweep dis... | 04/22/1997 |
| 5435082 | Snow plow stabilizer device An apparatus, for stabilizing a plowing implement mounted on a motor vehicle, comprising a rigid stabilizer member having first and second opposed ends. One end of the stabilizer member supports an attachment device for attaching the stabilizer member to ... | 07/25/1995 |
| 5277257 | Depth control mechanism for an implement A chain is connected at its distal end to the pin at the rod end of a cylinder on an implement lift and depth control assembly. An intermediate portion of the chain is trained around a gear which rotates about the axis of the pin connecting the base end o... | 01/11/1994 |
| 4869058 | Self-propelling agricultural machine A self-propelling agricultural machine, especially a self-propelling harvester thresher comprises a machine part having a front side, a working implement mounted on the front side of the machine part and turnable in a direction which is transverse to a tr... | 09/26/1989 |
| 4759173 | Self-propelling agricultural machine A self-propelling agricultural machine, particularly a harvester thresher, comprises a machine unit provided with supporting elements, a front working implement turnable transversely to a traveling direction and having upper receiving elements for the sup... | 07/26/1988 |
| 4046200 | Lawn edger attachment A lawn edger attachment for moving vehicles consisting of a rolling coulter blade carried for rotation on a horizontal axis at the rearward end of a trailing arm pivoted at its forward end to the vehicle on a generally vertical axis. Mechanism is provided... | 09/06/1977 |