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USPTO Patent Rankings Data through Dec 31, 2025
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David Appleford — 17 Patents

ATAlpha Thames: 8 patents #1 of 5Top 20%
Romford, GB: #7 of 160 inventorsTop 5%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
David Appleford has been granted 17 US patents while listed as an inventor at Alpha Thames. The first was granted in 1982 and the most recent in June 2011. David Appleford ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list David Appleford in Romford, GB.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
7954294 Building panel 2011-06-07
7032310 Method of installing a socket with a socket contact on an underwater plug with a plug contact Brian Lane, Benjamin McGeever 2006-04-25
7013978 System and method for separating fluids Brian Lane 2006-03-21
6873063 Electrical power distribution suitable for a substantially underwater system Brian Lane, Jan Peter Lindholm 2005-03-29
6832874 Modular seabed processing system Brian Lane 2004-12-21
6640901 Retrievable module and operating method suitable for a seabed processing system Brian Lane 2003-11-04
6626470 Two-part connector for fluid carrying conduits Brian Lane, Ian Watson 2003-09-30
6598853 Plug valve with cam actuated seal means Brian Lane 2003-07-29
6572076 Valve actuator Brian Lane, Benjamin McGeever 2003-06-03
5701614 Invalid bath Brian Lane, Alan David Webb 1997-12-30
5497672 Valve actuator David Engerran 1996-03-12
5494110 Two-part connector for fluid carrying conduits 1996-02-27
5433411 Connector for interconnecting conduits James Neighbour 1995-07-18
5114117 Connector for fluid carrying conduits Colin G. Millum, Duncan M. Scott, Michael Rimmer 1992-05-19
4402426 Weighing and dispensing unit Keith Faulkner 1983-09-06
4326645 Weighing and dispensing unit Keith Faulkner 1982-04-27
4312462 Weighing and dispensing unit Keith Faulkner 1982-01-26