Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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 |
| 7073293 | Horizontal slider window assembly A vehicular rear window assembly for a vehicle comprises a first fixed pane, a second fixed pane, a sliding pane, which is supported for horizontal movement between open and closed positions, and a drive assembly. The slider window assembly includes a support system... | 07/11/2006 |
| 5848931 | Chimney top spark arrester and damper A combination chimney top spark arrester and damper is provided wherein the damper is positioned within the spark arrester. The damper moves between a closed position in which it covers the top of the chimney flue and an open position in which it is raise... | 12/15/1998 |
| 5437574 | Top sealing chimney cap A chimney damper and chimney cap system comprised of a support base securable to the top of a chimney flue, a bracket assembly and spring assembly secured to the support base, a chimney cap secured to the bracket assembly wherein the bracket assembly bias... | 08/01/1995 |
| 5387151 | Top sealing chimney cap chimney damper and chimney cap system comprised of a support base securable to the top of a chimney flue, a support frame secured to the support base extending above the support base, a chimney cap secured to the top of the frame, a bracket and spring ass... | 02/07/1995 |
| 5295901 | Top sealing chimney cap A chimney damper and chimney cap system comprised of a support base securable to the top of a chimney flue, a bracket and spring assembly secured to the support base, a chimney cap secured to the bracket and spring assembly wherein the bracket and spring ... | 03/22/1994 |
| 5125869 | Spring biased chimney damper A chimney cap to selectively cover the outlet from the flue of a chimney which includes an open frame of selected geometric configuration located at the top of the chimney flue around the outlet, a cap to substantially cover the opening defined by the fra... | 06/30/1992 |
| 4232595 | Exhaust system for smokestack A smokestack for boilers or the like has an exhaust control system on the top opening of the smokestack to change the size of the orifice through which the gaseous exhaust exits. Structure is provided for automatically adjusting the size of the orifice in... | 11/11/1980 |
| 4204463 | Stack design This invention relates to an improved design associated with the fabrication and construction of a chimney stack capable of conveying hot gases generated in conjunction with industrial endeavors to a height within the atmosphere sufficient to meet current... | 05/27/1980 |
