Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7013694 | Portable, metal bending apparatus A metal bending apparatus which has a base member and a cross member connected together by two posts extending therebetween. A spring and sleeve are slidably positioned on each post, and a wedge is secured between the sleeves, the wedge includes a pointed end direct... | 03/21/2006 |
| 6370932 | Folding apparatus for folding plates A folding apparatus (10) includes a pair of dies (20) defining a recess (20M) therebetween, a cushion pad (30) vertically movable in the recess, a pair of support blocks (40), a pair of pivoting blocks (50) rotatable about the dies, and a vertically movab... | 04/16/2002 |
| 6085570 | Powered, portable, metal bending apparatus A powered, portable, metal bending apparatus has first and second end plates on opposed sides of a carrying element that is moveable along guiding members. A second surface of the first guiding member and the first surface of the carrying element have opp... | 07/11/2000 |
| 5697240 | Method of determining the bend in a section of pipe A system for determining the bend in a section of pipe which is being bent by a bending machine which includes a stiffback and a pinup shoe. The pipe to be bent is placed in the stiffback and extends out the end at the pinup shoe and its angle Si | 12/16/1997 |
| 4782686 | Tube bender for greenhouse structural supports A tube bending apparatus includes a substantially vertical structure with a bending shoe reciprocally mounted in a vertical plane. The ends of such shoe ride in parallel vertical guide channels, while the center of the bending shoe is powered preferably b... | 11/08/1988 |
| 4492106 | Manually actuated hydraulic jack for compressively applying terminals on electric cables and conductors in general The jack comprises a fixed jaw, rigidly associated with the jack body, and a movable jaw facing said fixed jaw and being connected to a piston sealingly movable inside a cylindrical chamber. In the body, first and second chambers are provided, respectivel... | 01/08/1985 |
| 4471645 | Shank shaper Arcuately curved cultivator shanks carrying ground working tools often become partially straightened or the attaching portion becomes bent due to the ground working tool engaging obstructions such as a root, rock or the like. Due to the resiliency thereof... | 09/18/1984 |
| 4342216 | Limited stroke force delivering tool A hydraulic force-delivering hand tool, such as a cable crimper, comprising a body with a large axial bore at one end forming a cylinder. A piston is slidable in the cylinder and has a nodular mass at the outer end to drive against a member to be crimped.... | 08/03/1982 |
