Assignee
CROWN UNLIMITED MACH INC
US·6 granted patents·126 citations·filing 1987–1993
Top patents by PatentIndex Score
6 records- 0191US4839950AMethod for making a tube and fin heat exchangerCROWN UNLIMITED MACH INC·Filed 1988·Granted Jun 20, 1989·47 cites·4 claims
- 0270US4780955AApparatus for making a tube and fin heat exchangerCROWN UNLIMITED MACH INC·Filed 1987·Granted Nov 1, 1988·27 cites·11 claims
- 0363US5143268AFlat tube cutting techniquesCROWN UNLIMITED MACH INC·Filed 1991·Granted Sep 1, 1992·26 cites·6 claims
- 0454US4771536AExpansion rod mounting structureCROWN UNLIMITED MACH INC·Filed 1987·Granted Sep 20, 1988·15 cites·9 claims
- 0537US5472126ATube slicing techniqueCROWN UNLIMITED MACH INC·Filed 1993·Granted Dec 5, 1995·6 cites·2 claims
- 0634US5450668AMethod and apparatus for separating tubingCROWN UNLIMITED MACH INC·Filed 1993·Granted Sep 19, 1995·5 cites·14 claims
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