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Dynamic Hydraulic Systems, Inc.
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Canoga Park, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Oil-well pumping system or the like
Patent number
4,848,085
Issue date
Jul 18, 1989
Dynamic Hydraulic Systems, Inc.
Alan H. Rosman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulically operated lift mechanism
Patent number
4,801,126
Issue date
Jan 31, 1989
Dynamic Hydraulic Systems, Inc.
Alan H. Rosman
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Hydraulic elevator mechanism
Patent number
4,761,953
Issue date
Aug 9, 1988
Dynamic Hydraulic Systems, Inc.
Alan H. Rosman
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Fork-lift system
Patent number
4,761,954
Issue date
Aug 9, 1988
Dynamic Hydraulic Systems, Inc.
Alan H. Rosman
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Hydraulically operated bridge crane
Patent number
4,730,743
Issue date
Mar 15, 1988
Dynamic Hydraulic Systems, Inc.
Alan H. Rosman
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Hydraulic lift mechanism
Patent number
4,715,180
Issue date
Dec 29, 1987
Dynamic Hydraulic Systems, Inc.
Alan H. Rosman
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Hydraulically operated clam-shell device
Patent number
4,702,076
Issue date
Oct 27, 1987
Dynamic Hydraulic Systems, Inc.
Alan H. Rosman
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Hydraulically operated clamshell device
Patent number
4,686,828
Issue date
Aug 18, 1987
Dynamic Hydraulic Systems, Inc.
Allan H. Rosman
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Hydraulically operated hoist for containerized freight or the like
Patent number
4,665,696
Issue date
May 19, 1987
Dynamic Hydraulic Systems, Inc.
Alan H. Rosman
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Oil-well pumping system or the like
Patent number
4,631,918
Issue date
Dec 30, 1986
Dynamic Hydraulic Systems, Inc.
Alan H. Rosman
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Trademark
last 30 trademarks