FL

Frank A. Ludwig

HA Hughes Aircraft: 27 patents #9 of 2,963Top 1%
DD Deutsches Elektronen-Synchrotron Desy: 3 patents #5 of 82Top 7%
KG Keller Holding Gmbh: 1 patents #5 of 36Top 15%
TE Technic: 1 patents #22 of 42Top 55%
Ford: 1 patents #9,341 of 17,473Top 55%
📍 Homberg (Efze), CA: #1 of 1 inventorsTop 100%
Overall (All Time): #85,947 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
5208112 Thermally regenerated fuel cell Robert A. Osteryoung, Carl W. Townsend, Andrew Kindler 1993-05-04
5087534 Gas-recirculating electrode for electrochemical system 1992-02-11
4977044 Sodium-sulfur thermal battery 1990-12-11
4939469 Non-destructive method for evaluation of printed wiring boards John McHardy 1990-07-03
4865925 Gas permeable electrode for electrochemical system Carl W. Townsend 1989-09-12
4810596 Sulfuric acid thermoelectrochemical system and method 1989-03-07
4766522 Electrochemical capacitor John McHardy, Lin Higley, Andrew Kindler, Carl W. Townsend 1988-08-23
4738904 Low temperature thermoelectrochemical system and method Carl W. Townsend, Chilengi P. Madhusudhan 1988-04-19
4640119 Utility pole tester 1987-02-03
4631116 Method of monitoring trace constituents in plating baths 1986-12-23
4616596 Electroless plating apparatus Carlyle L. Helber, Jr. 1986-10-14
4550036 Electroless silver plating process and system Carlyle L. Helber, Jr. 1985-10-29
4248943 Sodium sulfur container with chromium/chromium oxide coating Lin Higley 1981-02-03