Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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 |
| 4458522 | Hydrostatic pipe tester and method A hydrostatic pipe tester is especially designed for testing pipe at high pressures safely. Threaded tension rods are supported on both sides of the pipe under test such that their axes are coplaner with the pipe under test, and coupling assemblies couple... | 07/10/1984 |
| 4423647 | Pipe alignment apparatus and method In accordance with an illustrative embodiment of the present invention, a pipe alignment tool includes upper and lower, vertically aligned clamp assemblies that can be opened and closed in order to encircle and grasp adjacent threaded end sections of well... | 01/03/1984 |
| 4372003 | Industrial pipe thread cleaner A powered pipe thread cleaner for oil pipe and oil casings has a housing which defines a sump for collecting dirty solvent during the thread cleaning process. The thread cleaner is of the driven brush type and employs specially configured brushes and brus... | 02/08/1983 |
| 4212240 | Trash compactor A trash compactor is especially designed for industrial and commercial usage. A compacting unit is driven by an electricity-free drive unit for allowing applications in hazardous environments, such as offshore drilling rigs. Specifically, a hydraulic pump... | 07/15/1980 |
