Inventor · disambiguated record
Darrel D. Hillman
Also filed as: HILLMAN DARREL D
6 granted patents·157 citations·filing 1975–1996
84Inventor score
Top patents by PatentIndex Score
6 records- 0181US5218375ARapidly extendible and retractable antenna mastANTENNA PRODUCTS CORP·Filed 1991·Granted Jun 8, 1993·76 cites·11 claims
- 0271US4186320AHysteresis brake assemblyELECTROMATIC DRIVE·Filed 1977·Granted Jan 29, 1980·26 cites·21 claims
- 0370US4174641APower drive transmission assemblyELECTROMATIC DRIVE·Filed 1977·Granted Nov 20, 1979·22 cites·5 claims
- 0470US4088036APower drive transmission assemblyELECTROMATIC DRIVE·Filed 1975·Granted May 9, 1978·22 cites·27 claims
- 0539US5616012AAmmonia pumpFiled 1996·Granted Apr 1, 1997·10 cites·6 claims
- 0626US5547352ACrankshaft driven reciprocating piston pump having plural guide rodsFiled 1995·Granted Aug 20, 1996·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →