Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7021386 | Safety valve having extension spring closure mechanism A safety valve having an extension spring closure mechanism. In a described embodiment, a valve for use in a subterranean well is provided which includes a biasing device and a closure member having open and closed positions. The biasing device has a length which de... | 04/04/2006 |
| 6941934 | Purge valve including an annular permanent magnet linear actuator A purge valve includes an aperture, a member, and an actuator. The aperture defines a portion of a vapor flow path that extends between a first port that communicates vapor with a fuel vapor collection canister and a second port that communicates vapor with an intak... | 09/13/2005 |
| 6508246 | Mechanical draft controller The present invention is a mechanical draft controller. The draft controller is comprised of a draft controller portion, a means for pivoting the controller portion, and a means for counterbalancing the controller portion. The draft controller portion has... | 01/21/2003 |
| 4599991 | Door for brew kettle A brew kettle in which the upper portion of the kettle wall includes a manhole and a vent hole and in which a door is pivotally mounted inside the upper wall portion such that, in its closed position, it closes off the manhole. The door is normally open d... | 07/15/1986 |
| 4362091 | Air deflection duct assembly An air deflection duct assembly is disclosed for use in adding an evaporative cooler unit to an existing refrigeration air conditioning duct to increase the efficiency of operation of the evaporative cooler by causing a higher percentage of the air flow f... | 12/07/1982 |
| 4350353 | Tank wagon A tank wagon includes an elongated tank for transporting liquid material on a frame supported by at least one wheel set. The center line of the tank extends in an inclined direction in a forward direction. The lowermost point of the tank is in front of th... | 09/21/1982 |
| 4331342 | Tank wagon A tank wagon for liquid material has interior partitions with dampeners to counteract movement and kenetic energy of the material with respect to the tank in one direction only. In this way, energy can be withdrawn from the liquid material movement during... | 05/25/1982 |
| 4064905 | Apparatus for maintaining constant mass flow An air flow regulating apparatus comprising a regulator housing having an air inlet and an air outlet and an air passage extending from the inlet to the outlet. In the passage there is provided at least one movable damper blade attached to a shaft extendi... | 12/27/1977 |
