Brian J. David

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Falls Church, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic re-loading air-sampling and pneumatic transport system
- Patent number 10,317,320
- Issue date Jun 11, 2019
- Brian J. David
- G01 - MEASURING TESTING
Information Patent Grant
Automatic air-sampling and pneumatic transport system with ball-fil...
- Patent number 10,254,201
- Issue date Apr 9, 2019
- Brian J. David
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Automatic re-loading air-sampling and pneumatic transport system
- Patent number 10,041,864
- Issue date Aug 7, 2018
- Brian J. David
- G01 - MEASURING TESTING
Information Patent Grant
Automatic re-loading air-sampling and pneumatic transport system
- Patent number 9,341,547
- Issue date May 17, 2016
- Brian J. David
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC AIR-SAMPLING AND PNEUMATIC TRANSPORT SYSTEM WITH BALL-FIL...
- Publication number 20170328815
- Publication date Nov 16, 2017
- Brian J. David
- G01 - MEASURING TESTING
Information Patent Application
Automatic Re-Loading Air-Sampling and Pneumatic Transport System
- Publication number 20170299478
- Publication date Oct 19, 2017
- Brian J. David
- G01 - MEASURING TESTING
Information Patent Application
AUTOMATIC RE-LOADING AIR-SAMPLING AND PNEUMATIC TRANSPORT SYSTEM
- Publication number 20160231205
- Publication date Aug 11, 2016
- Brian J. David
- G01 - MEASURING TESTING
Information Patent Application
Automatic Re-Loading Air-Sampling and Pneumatic Transport System
- Publication number 20160054204
- Publication date Feb 25, 2016
- Brian J. David
- G01 - MEASURING TESTING