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Class 138/89.3 - Air cap


Subclass of Class 138 - Pipes and tubular conduits
Definition: Closures for pipes of the inflation stem type comprising air
No. of patents: 13
Last issue date: 08/10/2010


NumberTitleIssue Date
7770601Magnetic valve cap for the valve stem of a pneumatic tire
A magnetic dust cap for a pneumatic tire comprising an external valve stem having a threaded top portion having a width, a length, a top end and a bottom end and a rubberized bottom portion having a width and a top end. The magnetic dust cap comprises a body for cap...
08/10/2010
7353946Protective packaging assembly for medical devices and method of using same
A protective packaging system for a medical device includes a housing and an end cap. The housing surrounds the distal portion of a catheter bearing a medical device so that the device is suspended in a protective chamber. The end cap holds the housing closed. Anoth...
04/08/2008
6279600Method for securing a valve cap
A theft resistant valve cap including a liner adapted for threaded engagement with a standard pneumatic tire stem valve, a sleeve rotatably mounted with the liner to shroud it and an interlocking feature to selectively prevent axial displacement between t...
08/28/2001
6223776Guidable pipe plug
A plugging device for closing an opening defined by an end of a pipe with sealant comprises a cap, an extension, an inner seal, a guide, and at least one stop. The cap has an inner surface which defines a chamber adapted for retaining the sealant. The cha...
05/01/2001
6102064Theft resistant valve cap
A theft resistant valve cap including a liner adapted for threaded engagement with a standard pneumatic tire stem valve, a sleeve rotatably mounted with the liner to shroud it and an interlocking feature to selectively prevent axial displacement between t...
08/15/2000
6036169Self alignable threaded cap and threaded pressure relief valve
An improved capping mechanism which self-aligns as it is tightened irregardless of alignment at the initiation of capping. The capping mechanism being for use with any valve such a pressure relief valve with an outlet including radial vents. The valve bod...
03/14/2000
5640999Venting cap for fill pipe
An apparatus and method for sealing and accessing the end of a fill pipe connected to a pressurized fuel reservoir. The cap has a body, a sealing member for sealing between the cap and the adapter ring, a fastening system for fastening the cap body to the...
06/24/1997
5503189Flange protector having flexible coupling insert and method for detachably coupling same to a conduit
A protector for protecting a machined surface of a conduit includes a plate member for contacting the machined surface of the conduit, a flexible inner portion formed integrally with the plate member, and a handle that is formed integrally with the plate ...
04/02/1996
5280809Medical conduit end breather cap
A breather cap for protecting the ends of tubing and barbed connectors during sterilization and until use in which interference is at a detent spaced from the conduit end, or a positive stop is provided for the conduit end, or a flat handle is provided to...
01/25/1994
4793395Tire shock absorber
A tire shock absorber for attachment to a pneumatic tube tire or pneumatic tubeless tire for improving the smoothness of ride and decreasing road vibrations, the tire shock absorber comprising a chamber having at least one valve means which permits the un...
12/27/1988
4356836Tubeless tire valve stem and cover
A rigid valve stem cover for flexible tubeless tire type valve stems. The cover has a frustro conical shape which threadably engages the valve stem at its upper end while the bottom edge of the cover comes in contact with the stem and wheel rim area surro...
11/02/1982
4337814Air valve conduit in the track wall of a tire
Tires are typically inflated through an air conduit mounted on the tire carcass and extending through a hole in the metal rim on which the tire is mounted. Now and then relative slipping between the tire and rim has caused the air conduit to be sheared of...
07/06/1982
4114669Sterile port structure
A port structure for passing sterile fluids or other biological material, and a method for making the same is disclosed. The port structure includes a flexible sleeve having a rigid thermoplastic tube secured therein. The outer surface of the sleeve has g...
09/19/1978
 
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