David A. Durfee

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N. Scituate, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid sensing switch
- Patent number 11,054,297
- Issue date Jul 6, 2021
- Bilge Sense LLC
- David A. Durfee
- G01 - MEASURING TESTING
Information Patent Grant
Programmable arc fault circuit interrupter (AFCI)
- Patent number 10,483,055
- Issue date Nov 19, 2019
- Tower Manufacturing Corp.
- Victor V. Aromin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Control circuits for electrochemical pump with E-valves
- Patent number 9,416,777
- Issue date Aug 16, 2016
- Becton, Dickinson and Company
- Andrew Leonczyk
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
FLUID SENSING SWITCH
- Publication number 20190353512
- Publication date Nov 21, 2019
- Bilge Sense LLC
- David A. Durfee
- G01 - MEASURING TESTING
Information Patent Application
PORTABLE ARTICLE INCLUDING A NUMBER OF PATTERNS
- Publication number 20190183190
- Publication date Jun 20, 2019
- Revolution Cycle Works Company
- Joseph J. Loberti
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Application
Programmable Arc Fault Circuit Interrupter (AFCI)
- Publication number 20180151311
- Publication date May 31, 2018
- Victor V. Aromin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Control Circuits For Electrochemical Pump With E-Valves
- Publication number 20160090971
- Publication date Mar 31, 2016
- Becton Dickinson and Company
- Andrew Leonczyk
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
LIGHTED OR SOUND TIP FOR MOBILITY DEVICES AND METHOD OF USING
- Publication number 20100315831
- Publication date Dec 16, 2010
- David A. Durfee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LIGHTED OR SOUND TIP FOR MOBILITY DEVICES AND METHOD OF USING
- Publication number 20080225513
- Publication date Sep 18, 2008
- David A. Durfee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE