David B. Kaminski

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Clayton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Environmental groundwater sampling system
- Patent number 12,130,214
- Issue date Oct 29, 2024
- Q.E.D. Environmental Systems, Inc.
- David B. Kaminski
- G01 - MEASURING TESTING
Information Patent Grant
Bladder-type sampling pump controller
- Patent number 6,508,310
- Issue date Jan 21, 2003
- QED Environmental Systems, Inc.
- David Mioduszewski
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method and apparatus for measuring groundwater levels
- Patent number 6,456,201
- Issue date Sep 24, 2002
- QED Environmental Systems, Inc.
- David Mioduszewski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for analyzing purge water
- Patent number 6,415,659
- Issue date Jul 9, 2002
- QED Environmental Systems, Inc.
- David Mioduszewski
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ENVIRONMENTAL GROUNDWATER SAMPLING SYSTEM
- Publication number 20250020549
- Publication date Jan 16, 2025
- Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
- David B. Kaminski
- G01 - MEASURING TESTING
Information Patent Application
ENVIRONMENTAL GROUNDWATER SAMPLING SYSTEM
- Publication number 20230341299
- Publication date Oct 26, 2023
- Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
- David B. Kaminski
- G01 - MEASURING TESTING
Information Patent Application
SOIL SAMPLER
- Publication number 20230107158
- Publication date Apr 6, 2023
- Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
- Mark T. Weinberger
- G01 - MEASURING TESTING