Quotables
"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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 |
| 5280826 | Coulter adjusting device for reversible plow A coulter adjusting device for use in a reversible plowing machine having a non-reversible mast frame, a bottom frame secured to the non-reversible mast frame in such a manner as to be rotatable or reversible relative to the non-reversible mast frame, a r... | 01/25/1994 |
| 5191941 | Suspension device for a plow In a plow, particularly a reversible plow, one has aimed at a plow enabling plowing in hard soil affording very heavy resistance against the plow bodies (2), using comparatively small material dimensions and corresponding light weight of the plow. For thi... | 03/09/1993 |
| 5127480 | Reversible plow A rotatable plow that includes a pair of oppositely disposed plow members carried on a plow carrier pivotally carried by a draft beam. The draft beam includes a plow carrier adjustment yoke for changing the angular orientation of the plow frame relative t... | 07/07/1992 |
| 4189007 | Reversible ploughs A reversible plough comprises a frame member, at least one support member pivotally mounted on the frame member and two cranked plough legs pivotally mounted on the support member, and biassed toward their operative positions, in which during normal ploug... | 02/19/1980 |
| 4042253 | Weight transfer system for coupling a gang plow to a towing vehicle A weight transfer system for coupling a two-way gang plow to a towing vehicle eliminates lifting of the rear end of the towing vehicle due to the weight of the plow assembly when the plow assembly is raised for transportation. An elongated cable is connec... | 08/16/1977 |
| 3985187 | Two-way plow with carrying bracket therefor The plow carrying brackets are employed in pairs, each comprising a L-shaped shank pivotally mounted at one of their ends to the drawbar of a plow frame, the interior vertex of the shank engaging a rest which issues sidewardly from the drawbar and secured... | 10/12/1976 |
| 3934653 | Semi-mounted two-way plow A semi-mounted or trailing roll-over plow arranged for maximum control over the plowing components. In such a plow wherein the axis of rotation of the roll-over (rotatable) slow part does not go through the center of gravity of such rotatable plow part, t... | 01/27/1976 |
