David W. Gentry

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Casey, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable coupling mechanism for a filter assembly for a retaining...
- Patent number 10,731,317
- Issue date Aug 4, 2020
- Jet Filter Systems, LLC
- David R. Heilman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Filter assembly for retaining wall drain holes
- Patent number 10,124,281
- Issue date Nov 13, 2018
- Jet Filter System LLC
- David R. Heilman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Seawall filter
- Patent number 7,615,148
- Issue date Nov 10, 2009
- David W. Gentry
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
FILTER ASSEMBLY FOR EARTH RETAINING STRUCTURES
- Publication number 20240181375
- Publication date Jun 6, 2024
- Jet Filter Systems, LLC
- David HEILMAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Adjustable Coupling Mechanism For A Filter Assembly For A Retaining...
- Publication number 20190211525
- Publication date Jul 11, 2019
- Jet Filter Systems, LLC
- David R. HEILMAN
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Filter Assembly For Retaining Wall Drain Holes
- Publication number 20180028950
- Publication date Feb 1, 2018
- Jet Filter Systems, LLC
- David R. HEILMAN
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING