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| Number | Title | Issue Date |
| 7401657 | Ground scraper A ground scraper designed to be pulled by a tractor or the like includes a pair of parallel frame rails with a scraper blade between them and perpendicular to them. The scraper blade can lowered to a preferred depth of scraping and can be raised above the bottom of ... | 07/22/2008 |
| 7098674 | Occupant sensor An oscillatory or pulsed first signal is operatively coupled to a first electrode placed between a conductive heating element and a seating region of a seat containing the heating element. A second signal substantially equal to the first signal is operatively couple... | 08/29/2006 |
| 5809915 | Contouring dry land seed drill A seed drill particularly adapted for contouring uneven ground and accommodating rocks, especially where depth of furrow and placement of seed against wet soil is critical, as in dry land farming. Each drill in a set of drills is a separate unit which is ... | 09/22/1998 |
| 5743342 | Grader circle assembly An improved grader circle for reinforcing the outer surface of a circle. The improved grader circle assembly of the present invention includes a circle defining an outer surface from which two vertical beams extend in an opposing manner. A front reinforce... | 04/28/1998 |
| 5730228 | Tool for a row cultivator, having a leading blade and cutting blades A row cultivator (10) includes a row following system (12) coupled to a toolbar (13) employing frame members (17) and (18) constrained to remain parallel by a cross member (21). Coulter wheels (30) and (31) secured to the frame members (17) and (18) are n... | 03/24/1998 |
| 5191945 | Plow debris deflector A plow debris deflector for attachment to plows is disclosed. The plow debris deflector improves trash flow, buries stalks, stems, leaves and other debris without discing and requires low maintenance while providing excellent soil rotation and burying cov... | 03/09/1993 |
| 4762184 | Digging point assembly An improved digging point assembly comprises a holder, a blade member and a digging tip member connected in series. The blade member is constructed such that, when partially worn, it can be used as a tip member on a fresh blade member. The tip can be allo... | 08/09/1988 |
| 4693331 | Tractor boom An elongated boom is pivotally mounted to the forward portion of a tractor and includes a pair of drive/steering wheels mounted to the forward end portion thereof. An electrically actuated, hydraulic control system provides for direction control and rotat... | 09/15/1987 |
| 4301871 | Soil cultivating machines A cultivating machine has soil working members journalled in a hollow frame portion. Each member includes a harrow with supports and downwardly extending strips attached to the supports. The lower strip ends each mount a curved blade that is pointed in th... | 11/24/1981 |
| 4117890 | Adjustable mounting for subterranean tool An adjustable mounting for a subterranean tool such as one for penetrating the ground and for laying cable or the like. The tool is mounted on a tractor which moves over the ground and forms a cut in the ground, and mounting members support the tool from ... | 10/03/1978 |
| 4051903 | Soil cultivating machines A cultivating machine has one or more working members that are driven to rotate about upwardly extending axes. Each working member is connected to a drive transmission to turn and, spaced apart soil working members mounted for free rotation about respecti... | 10/04/1977 |
