Bellows

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method of sampling semivolatile compounds
- Patent number 7,159,475
- Issue date Jan 9, 2007
- Honeywell International, Inc.
- Larry Casillas
- G01 - MEASURING TESTING
Information Patent Grant
Gas tester
- Patent number 6,584,826
- Issue date Jul 1, 2003
- William B. Stephenson
- G01 - MEASURING TESTING
Information Patent Grant
Gas collecting apparatus
- Patent number 6,139,801
- Issue date Oct 31, 2000
- Obayashi Corporation
- Takeshi Kawachi
- G01 - MEASURING TESTING
Information Patent Grant
Push-pull valve for gas sampling bags
- Patent number 6,055,872
- Issue date May 2, 2000
- Jensen Wert Products
- Stephen R. Little
- G01 - MEASURING TESTING
Information Patent Grant
Methods and means for detection of dangerous substances
- Patent number 5,142,144
- Issue date Aug 25, 1992
- Quantametrics Inc.
- John L. Remo
- G01 - MEASURING TESTING
Information Patent Grant
Bellows type hand-operated air sampling pump
- Patent number 4,858,478
- Issue date Aug 22, 1989
- Mine Safety Appliances Company
- Robert S. Kush
- G01 - MEASURING TESTING
Information Patent Grant
Air conveying means for gas analysis test tubes
- Patent number 4,574,647
- Issue date Mar 11, 1986
- Auergesellschaft GmbH
- Werner Molt
- G01 - MEASURING TESTING
Information Patent Grant
3861217
- Patent number 3,861,217
- Issue date Jan 21, 1975
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES