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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7273065 | Inflation/deflation valve for cargo dunnage A valve assembly for a dunnage bag wherein in the valve body a valve diaphragm is mounted on a shaft and is supported by a mounting bar such that the valve diaphragm may be reciprocally moved from the closed position to the open position by a simple axial push on th... | 09/25/2007 |
| 7082958 | Air valve for inflatable bladder An air valve includes a valve member for attaching to a bladder, and having a bore, and a greater space communicating with the bore for receiving a plug. The plug includes a needle passage to receive an air inflating needle. A protective bonnet is engaged onto the v... | 08/01/2006 |
| 7051753 | Valve for a dunnage bag A valve for an airtight flexible container such as a dunnage bag including a bowl with openings and extending through an opening in the container A flange around the rim of the bowl is heat welded to the container around the opening. One end of a housing is screwed ... | 05/30/2006 |
| 7039972 | Inflatable device with recessed fluid controller and modified adjustment device The application is related to inflatable devices, and, more specifically, to an inflatable device with a recessed fluid controller and improved adjustment device. In one embodiment, the application is directed to an inflatable device comprising a substantially fluid... | 05/09/2006 |
| 6955181 | Valve body and seal assembly A valve seal assembly comprising a valve body having one or more peripheral integral seal retention grooves and one or more peripheral elastomeric seals, each seal being cast-in-place in an integral seal retention groove having adhesion-inhibiting surfaces and offse... | 10/18/2005 |
| 5275197 | Valve structure for a sack or the like to be filled with air A valve structure for an air sack comprising an essentially cylindrical tubular part extending hermetically from the inside to the outside of the sack and having external threads on the portion outside the sack, a plug with internal threads to be screwed ... | 01/04/1994 |
| 4927397 | Raft inflation valve A raft inflation valve assembly comprising a tubular valve body having an air passageway therethrough and a plunger member adapted for selectively preventing or enabling air flow through the valve body. The plunger member is received in the valve body and... | 05/22/1990 |
| 4924796 | Replaceable inflation valve A replaceable inflation valve for a marine fender wherein, in one embodiment, the valve is slidably received in a valve seat formed in the fender, and wherein a bored collar is threadably received in the valve seat to hold a flexible member of the valve i... | 05/15/1990 |
| 4442875 | Propellant charging head for filling a storage chamber of a propellant storage construction A propellant charging head for filling a storing chamber of a propellant storage construction with a charge of propellant and method of making the charging head are provided, the head being adapted to be disposed against the construction and have a projec... | 04/17/1984 |
| 4236565 | Valve for pneumatic tires A valve for pneumatic tires comprising a stem made of plastics and having at least one longitudinal groove on its inner surface and a plunger having a flange, which has at least one protuberance, and arranged so that the plunger is inserted to the stem by... | 12/02/1980 |
| 3995653 | Inflation device Device for inflating and deflating an inflatable article. The device has a body affixed to a wall of the inflatable article at a hole therethrough, the device having a tubular insert or nipple sealed to the body and a closure element or plug functioning a... | 12/07/1976 |
