Howard D Martin: Ground-driven rotary row cleaner. Deere & Company, Ritts Brickfield & Kaufman, November 22, 1988: US04785890 (91 worldwide citation)

The specification discloses an improved row cleaning apparatus to selectively clean away mulch from conservation tilled fields without cultivation of the soil. When mounted on a tractor-drawn planter unit, the cleaning action of the present invention improves depth control and planting speed of the ...

Richard L Peterson, James A Johnson, Richard W Steinberg, Roger J Scheurer: Conservation tillage row crop planter system. Hiniker Company, Emrich Lee Brown & Hill, March 29, 1983: US04377979 (81 worldwide citation)

The planter includes a number of forward tillage units each followed by an aligned planting unit. Both units are independently mounted by four-bar linkages to the planter frame. Each tillage unit includes a leading banded coulter followed by a pair of rolling row cleaning discs which are, in turn, f ...

Ronald P Brown, Jerrell W Harden: Sub-soil breaking, surface-soil conditioning and planter machine. October 25, 1977: US04055126 (74 worldwide citation)

In a preferred embodiment of the invention, a trailer-like multi-sectioned frame is mounted on supporting spaced-apart wheels adjustable intermittently of the height of the frame and having mounted on the various sections of the frame, functional elements including a forward rotatable cutting blade ...

James H Bassett: Agricultural implement controller to compensate for soil hardness variation. Dawn Equipment Company, Arnold White & Durkee, January 2, 1996: US05479992 (70 worldwide citation)

An apparatus for generating a signal indicative of the hardness of soil. The apparatus has a frame to be moved relative to soil on which a hardness analysis is to be conducted and a sensing element mounted to the frame so that the sensing element engages soil relative to which the frame is moved and ...

James H Bassett: Agricultural planter. Dawn Equipment Company, Arnold White & Durkee, January 20, 1998: US05709271 (66 worldwide citation)

An agricultural planter comprises a frame with a plurality of wheels and adapted to be towed by a tractor. The planter has a plurality of row planting units mounted on the frame and carrying planting implements, and the planting units are vertically movable relative to the frame. A soil-hardness sen ...

James H Bassett, Timothy R Baer: Apparatus for preparing soil for seed and method of using the apparatus. Dawn Equipment Company, Arnold White & Durkee, December 26, 1995: US05477792 (65 worldwide citation)

A method of continuously applying an additive to soil with a soil treating apparatus as the soil treating apparatus is advanced in a travel direction along a planting path on soil being treated. The method includes the steps of resituating residue in the planting path in a lateral direction transver ...

Howard D Martin: Method for planter depth monitoring. Howard D Martin, Law Office of Jay R Hamilton, April 22, 2008: US07360495 (63 worldwide citation)

An improved method of monitoring penetration of a planting unit into a ground surface comprising engaging a planting unit with a ground surface wherein the planting unit has a planting unit frame and the planting unit frame is cooperatively engaged with a support member by a planting frame and where ...

Paul E Schaffert: Liquid distribution apparatus for distributing liquid into a seed furrow. Dorsey & Whitney, September 24, 2002: US06453832 (62 worldwide citation)

A liquid distribution apparatus for use with a planter, drill or other farming implement having a seed tube that deposits seeds in a furrow. The liquid distribution apparatus includes a supply channel in fluid connection with a hose supplying a liquid to the furrow. The liquid distribution apparatus ...

John T Schneider: Trash clearing brush unit for a planter unit. Yetter Manufacture Company, Lee Mann Smith McWilliams & Sweeney, December 31, 1991: US05076180 (60 worldwide citation)

A trash clearing brush unit for use ahead of a planter unit including a pair of circular brushes rotatably mounted to a vertical support bar and angularly inclined toward one another. The support bar is attachable to a planter unit and vertically adjustable with respect thereto.

Ignatz Wendling, Larry Patrick Ferguson: Narrow profile opener capable of high speed operation. Deere & Company, February 19, 2002: US06347594 (59 worldwide citation)

An opener assembly includes a single opener disk rotatably supported from a drawbar and angled approximately five degrees from the forward direction to define a shadow area behind the trailing surface of the disk. A material placement boot and delivery tube are supported adjacent the trailing surfac ...