Bizarre Patents
A kissing shield comprised of a thin, flexible membrane and a frame or holder.
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 |
| 4755244 | Method of forming a seal This invention relates to a method of forming a fire resistant seal from a tubular ring of elastomeric material having a garter spring movably mounted in the bore of the seal.... | 07/05/1988 |
| 4691741 | Shroud for aircraft duct The shroud is formed from sheet material and is cylindrical in shape. A plurality of spacers are associated with the sheet material. These spacers are designed to engage the outer surface of a duct to hold the cylindrical sheet material in radially outwar... | 09/08/1987 |
| 4453723 | Seal A ring shaped seal is formed from an elastomeric material and is generally circular in cross-section. The material is covered in part with an elastomeric impregnated fabric secured thereon which serves as a work contacting surface for making a sealing eng... | 06/12/1984 |
| 4441723 | Duct seal A rubber ring-shaped seal is provided with a centrally disposed ring-shaped elastomeric tubular insert mounted therein. A helical coil spring is mounted in the insert so that part of the ring-shaped insert is between the helical coil spring and the work-c... | 04/10/1984 |
| 4165107 | Flexible ball joint The flexible ball joint is provided with a bellows which is protectively mounted inside a shell. A portion of the shell serves as the spherical socket and a portion of a sphere serves as the ball for the ball joint. The ball is mounted in the socket and i... | 08/21/1979 |
| 4033381 | Hot air duct A hot air duct is formed from thin walled metal tubing. The duct is provided with a plurality of linearly spaced reinforcing rings. Each reinforcing ring is formed from sheet metal and is channel-shaped in cross-section. The rings are rigidly secured to t... | 07/05/1977 |
| 3984274 | Means and method of manufacturing bags for breathing apparatus A bag for breathing apparatus having an internal zigzag passageway between an inlet and an outlet, the bag being formed of flexible material presenting an interior surface of silicone rubber and an exterior surface of a fluoroelastomer based on a copolyme... | 10/05/1976 |
