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Class Information
Number: 172/47
Name: Earth working > With drive means for tool or cleaner > With specific relationship of mast-type hitch (i.e., three-point hitch) to implement
Description: Apparatus in which the driven earth-working element is part of an implement associated with a three point hitch (mast-type hitch) wherein significance is attributed to the cooperation of the implement with the hitch, or the implement includes a mounting for an additional three point hitch at the rear thereof for connection to another implement.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7575077 |
Lever connect PTO module for three-point hitch quick coupler |
Aug. 18, 2009 |
| 7410004 |
Agricultural implement carrier |
Aug. 12, 2008 |
| 6988571 |
Crawler tractor |
Jan. 24, 2006 |
| 6082211 |
Working machine attaching linkage |
Jul. 4, 2000 |
| RE35835 |
Device for attaching an agricultural implement to a tractor |
Jul. 7, 1998 |
| 5690180 |
Horizontal-axis cutter for soil cultivation |
Nov. 25, 1997 |
| 5655581 |
Tractor-mounted stump grinder with laterally and longitudinally movable cutter wheel |
Aug. 12, 1997 |
| 5505269 |
Soilworking tool |
Apr. 9, 1996 |
| 5462131 |
Device for attaching an agricultural implement to a tractor |
Oct. 31, 1995 |
| 5346018 |
Vehicle hydraulic three-point hitch and power take-off shaft |
Sep. 13, 1994 |
| 5318134 |
Irrigation furrow and raised seed bed forming machine |
Jun. 7, 1994 |
| 5303790 |
Quick attaching power take off |
Apr. 19, 1994 |
| 5193623 |
Hitching assemblies |
Mar. 16, 1993 |
| 5092409 |
Coupling and lifting system for an implement, in particular an agricultural implement, that can be mounted on the front of a tractor |
Mar. 3, 1992 |
| 5040615 |
Quick attaching power-take-off conversion unit |
Aug. 20, 1991 |
| 4944354 |
Three-point coupling device |
Jul. 31, 1990 |
| 4944649 |
Mechanism for coupling subordinate machine to tractor |
Jul. 31, 1990 |
| 4936390 |
Tool apparatus with tool attached to end of outrigger arm |
Jun. 26, 1990 |
| 4934471 |
Device for connecting working implement to tractor |
Jun. 19, 1990 |
| 4887680 |
Device for connecting work machine to tractor |
Dec. 19, 1989 |
| 4884639 |
Device for connecting working implement to tractor |
Dec. 5, 1989 |
| 4838015 |
Farm product pickup baler |
Jun. 13, 1989 |
| 4838358 |
Coupling device for connecting a wheeled field implement to a tractor |
Jun. 13, 1989 |
| 4805927 |
Hitch adapter for use in connecting semi-integral, PTO-driven implements to tractor three-point hitch |
Feb. 21, 1989 |
| 4793430 |
Hitch and drive structure for PTO-driven, semi-integral implement |
Dec. 27, 1988 |
| 4791996 |
Agricultural tractor with lightweight frame and front and rear wheels forming substantially continuous wheel path |
Dec. 20, 1988 |
| 4765637 |
Agricultural tractor |
Aug. 23, 1988 |
| 4714123 |
Farm machine with improved transmission device |
Dec. 22, 1987 |
| 4614239 |
Driller for use in rice field |
Sep. 30, 1986 |
| 4525987 |
Agricultural machine |
Jul. 2, 1985 |
| 4520873 |
Tractor-driven agricultural apparatus including a plurality of rotary-driven agricultural units |
Jun. 4, 1985 |
| 4512413 |
Rotary cultivating apparatus of laterally shiftable type |
Apr. 23, 1985 |
| 4444270 |
Soil cultivating implements |
Apr. 24, 1984 |
| 4417627 |
Apparatus for breaking rock located in a field |
Nov. 29, 1983 |
| 4415039 |
Soil cultivating implements |
Nov. 15, 1983 |
| 4366877 |
Power transferring coupling device for a tractor and an implement hitched thereto |
Jan. 4, 1983 |
| 4363362 |
Multiple machine for row-cropping with vertically operating axes |
Dec. 14, 1982 |
| 4359100 |
Attachment combination for agricultural tractors |
Nov. 16, 1982 |
| 4339003 |
Soil cultivating implements |
Jul. 13, 1982 |
| 4337834 |
Implement to be mounted on a tractor for the loosening of soil |
Jul. 6, 1982 |
| 4285284 |
Seeder with pivoting soil breakers |
Aug. 25, 1981 |
| 4284146 |
Soil working machine |
Aug. 18, 1981 |
| 4279310 |
Soil working machine |
Jul. 21, 1981 |
| 4268056 |
Structure for attaching hitch to tractor |
May. 19, 1981 |
| 4263974 |
Soil cultivating machines |
Apr. 28, 1981 |
| 4210209 |
Agricultural implement |
Jul. 1, 1980 |
| 4148363 |
Soil cultivating implements |
Apr. 10, 1979 |
| 4147117 |
Cultivating implements |
Apr. 3, 1979 |
| 4142587 |
Rotary cultivators |
Mar. 6, 1979 |
| 4136741 |
Soil cultivating implement |
Jan. 30, 1979 |
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