Individual holder
BLACKSTONE RALF W
US·5 granted patents·5 pending applications·145 citations·filing 1980–2015
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
10 records- 0172US4401111ACervical spine collarBLACKSTONE RALF W·Filed 1980·Granted Aug 30, 1983·78 cites·5 claims
- 0268US8784035B2Bladeless fluid propulsion pumpBLACKSTONE RALF W·Filed 2008·Granted Jul 22, 2014·4 cites·11 claims
- 0363US7266965B2Air cooling deviceBLACKSTONE RALF W·Filed 2004·Granted Sep 11, 2007·14 cites·11 claims
- 0461US2009044932A1Air cooling deviceBLACKSTONE RALF W·Filed 2007·Application pending·0 cites
- 0561US2010154454A1Air cooling deviceBLACKSTONE RALF W·Filed 2009·Application pending·0 cites
- 0658US4543947ACervical spine collarBLACKSTONE RALF W·Filed 1983·Granted Oct 1, 1985·49 cites·22 claims
- 0756US2015078883A1Bladeless fluid propulsion pumpBLACKSTONE RALF W·Filed 2014·Application pending·0 cites
- 0853US10337761B2Microenvironmental cooling systemBLACKSTONE RALF W·Filed 2011·Granted Jul 2, 2019·0 cites·20 claims
- 0952US2008066484A1Air cooling deviceBLACKSTONE RALF W·Filed 2007·Application pending·0 cites
- 1040US2016115968A1Bladeless fluid propulsion pumpBLACKSTONE RALF W·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →