Assignee
RALPH A HILLER COMPANY
US·3 granted patents·36 citations·filing 1982–2006
Top patents by PatentIndex Score
3 records- 0175US4460009AValve stem actuatorRALPH A HILLER COMPANY·Filed 1982·Granted Jul 17, 1984·34 cites·18 claims
- 0240US7527237B2Valve actuation velocity control deviceRALPH A HILLER COMPANY·Filed 2006·Granted May 5, 2009·0 cites·25 claims
- 0337US7025327B2Valve actuation velocity control deviceRALPH A HILLER COMPANY·Filed 2003·Granted Apr 11, 2006·2 cites·41 claims
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