Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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 |
| 6745476 | Cutting tool A cutting tool (10) adapted to produce chamfers along the edges of drywall panels. The tool (10,110,210) comprises a housing having a channel (18) defined by a base wall (13) and substantially parallel first and second sidewalls (15,17... | 06/08/2004 |
| 6557259 | Uniform artificial nail clipper A nail clipper of this invention has a somewhat V-shaped handle portion formed of a first upper handle and a second lower handle each of which is pivotally mounted with respect to the other, and movable toward the other. A nail holder, having an arcuate s... | 05/06/2003 |
| 6467172 | Plastic pipe cutting device A plastic pipe cutting device includes a housing, a cutter connected to a tensile spring at a rear side in the housing and adapted for cutting a plastic pipe inserted into the housing, a lever pivoted to the housing and adapted to drive the cutter, a driv... | 10/22/2002 |
| 5924201 | Control mechanism for pipe cutter A pipe cutter includes a housing having a number of teeth formed in the two inner sides. A slide is slidably engaged in the housing and a cutter blade is secured to the slide and to be moved to cut a pipe. A hand grip may be moved toward a handle of the h... | 07/20/1999 |
| 5640770 | Ergonomic nail clipper A clipper for artificial finger nails includes a substantially planar nail holder having an arcuate opening therethrough for receiving an acrylic finger nail. Such a nail is cut by a blade in sliding face-to-face relation with the nail holder which slides... | 06/24/1997 |
| 5129158 | Plastic pipe cutter The invention is a cutter for plastic pipe which utilizes a guillotine cutting action in combination with a blade having a straight edge forming a converging angle to the cutting anvil of the cutter.... | 07/14/1992 |
| 5012579 | Cutting machine for synthetic resin pipes A cutting machine includes a machine body for holding a synthetic resin pipe subjected to cut work, a plate-like cutter provided on the machine body for advancing and retracting movement with respect to the pipe within a plane perpendicularly intersecting... | 05/07/1991 |
| 4989325 | Hand tool for removing collar from lock bolt A tool body (32) has a forward cradle (34) that surroundingly receives a fastener collar (14). A slider (68) is slid in a cavity (40) in the body (32) by a lever (56) pivotably attached to the body (32). Cutting edges (70) on either side of a slot (74) in... | 02/05/1991 |
