Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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 |
| 6607040 | Working tool with replaceable working bit A replaceable wear part for mounting on a leading edge of a working tool, the leading edge and the wear part having co-operative guide formations extending generally perpendicular to the leading edge and which provide a socket and projection type of slida... | 08/19/2003 |
| 6289996 | Securing device for knock-on earthworking tool A retainer is disclosed for preventing accidental release of a knock-on earthworking tool from an adaptor secured to the tine of an agricultural implement. The retainer, which is integrally formed from a single piece of metal, comprises an anchoring porti... | 09/18/2001 |
| 5787991 | Adjustable angle ridger for a cultivator An adjustable ridger for a cultivator includes an elongated ridger frame adapted to mount to the sweep member of the cultivator. The frame has a top bracket with an elongated slot extending therethrough. The slot has a width and a longitudinal axis. A plu... | 08/04/1998 |
| 5711378 | Knock-on earth working tool securement assembly A tapered adaptor (10) disposed at a free, leading end of a cultivator shank (S) is arranged to co-operate with a blocking member (27). The blocking member (27) defines forwardly facing abutment surfaces (28, 29). They engage a rear edge portion (54) of t... | 01/27/1998 |
| 4871032 | Deep tillage implement A deep tillage earth engaging implement having a frictional attachment to a tine of an agricultural machine in which the attachment portion incorporates a socket with a cross-section tapering toward the earth engaging portion. The foot of the tine is of c... | 10/03/1989 |
| 4754816 | Overcap point for tillage tool A tillage tool which includes an elongated shank having a bifurcated forward end. A protective overcap point is secured to the bifurcated forward end of the shank by means of a trapezoidally cross-sectioned key which interlocks in the bifurcation slot. Th... | 07/05/1988 |
| 4638868 | Earth engaging implements An earth engaging implement and tine construction comprising a tine having bolted thereto an adaptor having an upper surface externally tapered in cross section, an elongated slot extending through the adaptor to receive a bolt head, and the lower surface... | 01/27/1987 |
| 4625810 | Tillage tool A tool for tilling the soil, such as a sweep, chisel or drill, which includes an elongated earth parting blade or shank having an upper end and a pointed lower end, and having a tapered, undercut dove-tailed slot extending from the pointed lower end longi... | 12/02/1986 |
| 4415042 | Replaceable ripper shoe In the agricultural industry, one cultivator wheeled cart cultivator implement has a vertical ripper blade for use in ripper cultivating the soil usually between rows of growing crops. The vertical blade has its front edge sharpened. There is usually a lo... | 11/15/1983 |
| 4344490 | Soil cultivating implement A soil cultivating implement has a row of tined soil working members extending transverse to the direction of travel. An implement-supporting and soil-working cage-formation ground roller is arranged behind said soil working members to be rotatable about ... | 08/17/1982 |
| 4324123 | Soil cultivating implements A cultivating implement has an elongated frame portion that mounts a row of rotors, each rotor having an upwardly extending shaft and a lower tine. The lower shaft end is a flattened horizontal part with a threaded stub shaft that extends through a centra... | 04/13/1982 |
| 4269274 | Streamlined wear-resistant deep tillage tool A detachable, self-sharpening digging shoe for deep tillage shanks is shaped, sized and disposed in a manner to provide the proper angle of attack and to minimize resistance to its movement through the soil such that the movement is not only smooth but in... | 05/26/1981 |
| 4197918 | Subterranean plow blade A subterranean plow blade for mounting onto a tractor in a clamping fashion for fast and easy mounting and removal. A blade holder is affixed to a tractor, and clamp pieces are pivotly mounted on the holder with one piece thereof engaging the blade and th... | 04/15/1980 |
| 4036307 | Plough share with reinforcement plate covering tongue holes therein A plough share made of metal having at least two spaced tongues pressed out of the metal and projecting rearwardly at an angle, the two tongues being adapted to engage in complementary holes formed in the frog of a plough. The plough share also has holes ... | 07/19/1977 |
| 4016935 | Harrow disc gang A spacer spool for a disc section of a disc harrow for preventing relative rotation between the spacer spools and the adjacent disc blades. Each of the spacer spools comprises a central portion having end portions extending outwardly from the opposite end... | 04/12/1977 |
| 4006544 | Replaceable cutting edge assembly Two embodiments of a replaceable cutting edge assembly for earthmoving buckets, each assembly including a plurality of cutting edge sections arranged along a leading edge of the earthmoving bucket floor with digging teeth overlapping the junctures between... | 02/08/1977 |
