Inventor · disambiguated record
Franz X. Wohrstein
Also filed as: WOHRSTEIN FRANZ X
9 granted patents·256 citations·filing 1982–1994
90Inventor score
Files withPEERLESS OF AMERICA9
Top patents by PatentIndex Score
9 records- 0187US5549335ASolderless metallurgical jointPEERLESS OF AMERICA·Filed 1994·Granted Aug 27, 1996·57 cites·17 claims
- 0285US5133492AMethod and apparatus for separating thin-walled, multiport micro-extrusionsPEERLESS OF AMERICA·Filed 1990·Granted Jul 28, 1992·56 cites·14 claims
- 0384US4778004AHeat exchanger assembly with integral fin unitPEERLESS OF AMERICA·Filed 1986·Granted Oct 18, 1988·46 cites·15 claims
- 0469US5228198AMethod of manufacturing a heat exchanger assembly with wrapped tubingPEERLESS OF AMERICA·Filed 1991·Granted Jul 20, 1993·19 cites·9 claims
- 0569US4794985AFinned heat exchanger tubing with varying wall thicknessPEERLESS OF AMERICA·Filed 1987·Granted Jan 3, 1989·29 cites·7 claims
- 0662US4881311AHeat exchanger assembly with integral fin unitPEERLESS OF AMERICA·Filed 1988·Granted Nov 21, 1989·21 cites·11 claims
- 0754US4637111AProcess of making heat exchangersPEERLESS OF AMERICA·Filed 1985·Granted Jan 20, 1987·15 cites·8 claims
- 0844US5099574AMethod of making a heat exchanger assembly with wrapped tubingPEERLESS OF AMERICA·Filed 1990·Granted Mar 31, 1992·8 cites·9 claims
- 0932US4554970AHeat exchangers and method of making samePEERLESS OF AMERICA·Filed 1982·Granted Nov 26, 1985·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →