David A. Stingl

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Great Falls, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pump and alarm control
- Patent number 7,988,425
- Issue date Aug 2, 2011
- David A. Stingl
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Safety release fasteners
- Patent number 6,464,442
- Issue date Oct 15, 2002
- O.I.A., LLC
- David A. Stingl
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Influent blockage detection system
- Patent number 6,342,841
- Issue date Jan 29, 2002
- O.I.A. LLC
- David A. Stingl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Emergency shutdown system for a water-circulating pump
- Patent number 6,059,536
- Issue date May 9, 2000
- O.I.A. LLC
- David A. Stingl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Visible screws
- Patent number 5,934,852
- Issue date Aug 10, 1999
- O.I.A. LLC
- David A. Stingl
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...