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Class Information
Number: 220/DIG.16
Name: Receptacles > Pressure indicators

Patents under this class:

Patent Number Title Of Patent Date Issued
7107928 Selectively deformable container end closure Sep. 19, 2006
6877629 Food storage device Apr. 12, 2005
6158606 Pressure setting value for a pressure-cooker Dec. 12, 2000
6020823 Decorative packaging with special effects Feb. 1, 2000
5944212 Container capable of being evacuated by rotating a cap member thereof Aug. 31, 1999
5803282 Vacuum indicator for a bottle Sep. 8, 1998
5601205 Fuel tank assembly Feb. 11, 1997
5564584 Vent cap for discharging nearly empty propane cylinders Oct. 15, 1996
5452819 Air valve fuel fill cap Sep. 26, 1995
5181615 Plastic closures for containers and cans and methods of and apparatus for producing such closures Jan. 26, 1993
5115938 Containers and cans and method of and apparatus for producing the same May. 26, 1992
4975132 Plastic closures for containers and cans and methods and apparatus for producing such closures Dec. 4, 1990
4948665 Modified thermoplastic and a method for the manufacture of the thermoplastic Aug. 14, 1990
4805768 Paper container for liquid sealed with gas in head space, method of filling gas and apparatus for filling gas Feb. 21, 1989
4722451 Synthetic polymeric resin vacuum container with indicator Feb. 2, 1988
4438792 Pressure relief alert Mar. 27, 1984
3968686 Flow indicator Jul. 13, 1976
3930592 Beer can structure Jan. 6, 1976

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