Inventor · disambiguated record
Friedrich-Werner Thomas
Also filed as: THOMAS FRIEDRICH · THOMAS FRIEDRICH W · THOMAS FRIEDRICH-WERNER
21 granted patents·280 citations·filing 1974–2019
96Inventor score
Top patents by PatentIndex Score
21 records- 0180US4075414AApparatus for regulating the immersion depth of electrodes in electrode-melting furnacesLEYBOLD HERAEUS GMBH & CO KG·Filed 1975·Granted Feb 21, 1978·15 cites·2 claims
- 0278US4895631AProcess and apparatus for controlling the reactive deposit of coatings on substrates by means of magnetron cathodesLEYBOLD AG·Filed 1989·Granted Jan 23, 1990·22 cites·10 claims
- 0373US11441290B2Quick-hitch for construction vehicle toolsKINSHOFER GMBH·Filed 2019·Granted Sep 13, 2022·2 cites·23 claims
- 0472US4797897AApparatus for controlling the distance of a melting electrode from the surface of the melted material in a vacuum arc furnaceLEYBOLD AG·Filed 1986·Granted Jan 10, 1989·21 cites·11 claims
- 0571US5047911ADevice for a unipolarly operated electrical circuit componentLEYBOLD AG·Filed 1988·Granted Sep 10, 1991·31 cites·16 claims
- 0671US4843246AApparatus for detecting the position of incidence of a beam of charge carriers on a targetLEYBOLD HERAEUS GMBH & CO KG·Filed 1987·Granted Jun 27, 1989·28 cites·11 claims
- 0763US4748311AInverter with power supply to chopper through parallel resonant circuit tuned to twice the chopper frequencyLEYBOLD AG·Filed 1987·Granted May 31, 1988·21 cites·11 claims
- 0862US4283260AMethod and system for regulating the discharge process in a cathode sputtering apparatusLEYBOLD HERAEUS GMBH & CO KG·Filed 1979·Granted Aug 11, 1981·18 cites·7 claims
- 0961US5051599ADevice for recognizing the impact site of a charge carrier beam on a targetLEYBOLD AG·Filed 1990·Granted Sep 24, 1991·17 cites·26 claims
- 1058US4823263AApparatus for controlling the operation of tipping a melting crucibleLEYBOLD HERAEUS GMBH & CO KG·Filed 1986·Granted Apr 18, 1989·9 cites·16 claims
- 1158US4194078AApparatus for regulating the depth of immersion of consumable electrodes in electroslag remelting furnacesLEYBOLD HERAEUS GMBH & CO KG·Filed 1978·Granted Mar 18, 1980·14 cites·2 claims
- 1257US4973818ADevice and method for the control and monitoring of an electron beam for metal workingLEYBOLD AG·Filed 1989·Granted Nov 27, 1990·10 cites·12 claims
- 1355US5022044ADirectly heatable crucible for induction melting furnacesLEYBOLD AG·Filed 1989·Granted Jun 4, 1991·13 cites·7 claims
- 1453US5100111ADevice for the detection of the temperature course of a metal or metal alloy melt using measurement techniquesLEYBOLD AG·Filed 1990·Granted Mar 31, 1992·17 cites·20 claims
- 1551US4832496AMethod and apparatus for measuring the monocrystal diameter and the melt level during crucible drawing in the Czochralski processLEYBOLD HERAEUS GMBH & CO KG·Filed 1986·Granted May 23, 1989·10 cites·14 claims
- 1639US4320305AMethod and voltage source for producing a smoothed voltage from three-phase currentLEYBOLD HERAEUS GMBH & CO KG·Filed 1980·Granted Mar 16, 1982·5 cites·4 claims
- 1736US4995733AMeasurement sensor for the detection of temperatures in metal or alloy meltsLEYBOLD AG·Filed 1989·Granted Feb 26, 1991·10 cites·4 claims
- 1836US4787023APower supply apparatusLEYBOLD HERAEUS GMBH & CO KG·Filed 1987·Granted Nov 22, 1988·5 cites·10 claims
- 1934US4314182ASystem for controlling the power of a high-voltage electron beam generatorLEYBOLD HERAEUS GMBH & CO KG·Filed 1980·Granted Feb 2, 1982·3 cites·2 claims
- 2033US4700281ADirect-current-alternating-current inverter comprising a load which gains by forcing an output voltage of the direct-current-alternating-current inverter having a defined wave shape and frequencyLEYBOLD HERAEUS GMBH & CO KG·Filed 1985·Granted Oct 13, 1987·6 cites·30 claims
- 2131US3952139ACircuit arrangement for supplying electrode melting furnacesSIEMENS AG·Filed 1974·Granted Apr 20, 1976·3 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Friedrich-Werner Thomas files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →