Inventor · disambiguated record
Albert D. Helfrick
Also filed as: HELFRICK ALBERT · HELFRICK ALBERT D
5 granted patents·2 pending applications·203 citations·filing 1987–2016
83Inventor score
Files withTEL INSTR ELECTRONICS CORP2BAROTT WILLIAM C1DOWTY RFL IND INC1DYTECH LIMITED INC1EMBRY RIDDLE AERONAUTICAL UNIV INC1
Top patents by PatentIndex Score
7 records- 0188US5278571ARF coupler for measuring RF parameters in the near-fieldTEL INSTR ELECTRONICS CORP·Filed 1991·Granted Jan 11, 1994·90 cites·24 claims
- 0285US4940950AFrequency synthesis method and apparatus using approximation to provide closely spaced discrete frequencies over a wide range with rapid acquisitionTEL INSTR ELECTRONICS CORP·Filed 1988·Granted Jul 10, 1990·55 cites·27 claims
- 0385US4730230AApparatus and method for degaussing magnetic storage mediaDOWTY RFL IND INC·Filed 1987·Granted Mar 8, 1988·38 cites·20 claims
- 0438US5801659AApparatus and method for coupling satellite navigation signals to a VOR systemDYTECH LIMITED INC·Filed 1996·Granted Sep 1, 1998·20 cites·20 claims
- 0532US2016047880A1System and method for location of aircraftEMBRY RIDDLE AERONAUTICAL UNIVERSITY INC·Filed 2015·Application pending·0 cites
- 0631US2013050024A1Bistatic radar system using satellite-based transmitters with ionospheric compensationBAROTT WILLIAM C·Filed 2012·Application pending·0 cites
- 0729US10151772B2Hot wire anemometerEMBRY RIDDLE AERONAUTICAL UNIV INC·Filed 2016·Granted Dec 11, 2018·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →