-
Valve for controlling flow rate of gas
-
Patent number 6,321,780
-
Issue date Nov 27, 2001
-
Benkan Corporation
-
Toshiaki Iwabuchi
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Integrated gas control device
-
Patent number 6,216,739
-
Issue date Apr 17, 2001
-
Benkan Corporation
-
Yoshitomo Fukushima
-
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
-
Gas controlling device for integration
-
Patent number 6,073,646
-
Issue date Jun 13, 2000
-
Benkan Corporation
-
Miyoshi Kimura
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Integrated gas control device
-
Patent number 6,012,479
-
Issue date Jan 11, 2000
-
Benkan Corporation
-
Yoshitomo Fukushima
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
-
-
Vacuum exhaust valve
-
Patent number 5,678,595
-
Issue date Oct 21, 1997
-
Benkan Corporation
-
Toshiaki Iwabuchi
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Pipe joint
-
Patent number 5,658,021
-
Issue date Aug 19, 1997
-
Benkan Corporation
-
Shigeyuki Matsumoto
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Slow vent valve
-
Patent number 5,390,895
-
Issue date Feb 21, 1995
-
Benkan Corporation
-
Toshiaki Iwabuchi
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Metal diaphragm valve
-
Patent number 5,326,078
-
Issue date Jul 5, 1994
-
Benkan Corporation
-
Miyoshi Kimura
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Metal diaphragm valve with lock mechanism
-
Patent number 5,295,660
-
Issue date Mar 22, 1994
-
Benkan Corporation
-
Katsuhiko Honma
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Metal diaphragm valve
-
Patent number 5,112,027
-
Issue date May 12, 1992
-
Benkan Corporation
-
Takaomi Hanyu
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Metal diaphragm valve
-
Patent number 5,108,069
-
Issue date Apr 28, 1992
-
Benkan Corporation
-
Kouki Tada
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Drainpipe joint
-
Patent number 4,998,754
-
Issue date Mar 12, 1991
-
Benkan Corporation
-
Shigeyuki Matsumoto
-
E03 - WATER SUPPLY SEWERAGE