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 |
| 6954947 | Pluming vent cover A pluming vent cover is described herein which is easily manufactured and adapted to a roof on or off-site. A roof's pluming vent pipe requires a cover for both aesthetics and improved operation. In the preferred embodiment the pluming vent cover comprises an upper ... | 10/18/2005 |
| 6932690 | Adjustable roof ventilator jack An adjustable roof ventilator jack for operationally coupling a roof ventilator to a venting aperture extending through a sloped roof. The jack includes a base section having base section front, rear and side walls. The base section is configured so as to be angled ... | 08/23/2005 |
| 6053162 | Balanced flue sealed vent terminal assembly The present invention is directed to a sealed vent terminal assembly intended for use in association with high-efficiency oil fired furnaces or boilers. The terminal assembly of the present invention is designed to simultaneously flow outside combustion a... | 04/25/2000 |
| 5868615 | Chimney draft inducer A chimney draft inducer installed on a chimney flue having a feed tube extending from the chimney flue with a plurality of vortex stabilizers extending radially from the feed tube to a cylindrical negative pressure plenum member forming a plurality of qua... | 02/09/1999 |
| 5261389 | Power vent for hot flue gas A power vent system is provided for exhausting hot combustion gas by-products. The system includes a plenum or mixing chamber, a conduit system and an air aspirating discharge assembly. Negative pressure is developed in the plenum by a blower therein; amb... | 11/16/1993 |
| 4466340 | Chimney assembly A prefabricated chimney assembly of the dual-wall type, adapted to be coupled to the flue outlet of a fireplace, is disclosed. The chimney assembly includes an inner conduit extending the length of the chimney assembly to form the flue through which combu... | 08/21/1984 |
| 4200038 | Chimney top assembly A chimney top assembly adapted to be mounted to the exit end of a chimney flue of the type utilized for fireplaces. The chimney top assembly allows hot combustion gases to escape through the assembly with the least resistance to its flow while providing m... | 04/29/1980 |
| 4069668 | Dispersion exhauster for engines and combustion heaters A cap and insulating tube are utilized in conjunction with a flared exhaust ipe to disperse the hot exhaust gases and provide an infrared camouflaging of the engine or heater.... | 01/24/1978 |
