Assignee
BLACKSTONE CORP
18 granted patents·556 citations·filing 1974–2002
Top patents by PatentIndex Score
18 records- 0192US4572184AWave guide attachment means and methodsBLACKSTONE CORP·Filed 1983·Granted Feb 25, 1986·93 cites·11 claims
- 0292US4501321AAfter cooler, charge air cooler and turbulator assemblies and methods of making the sameBLACKSTONE CORP·Filed 1982·Granted Feb 26, 1985·96 cites·6 claims
- 0391US4972683ACondenser with receiver/subcoolerBLACKSTONE CORP·Filed 1989·Granted Nov 27, 1990·61 cites·11 claims
- 0491US4932469AAutomotive condenserBLACKSTONE CORP·Filed 1989·Granted Jun 12, 1990·65 cites·20 claims
- 0582US7181416B2Multi-function transaction processing systemBLACKSTONE CORP·Filed 2002·Granted Feb 20, 2007·35 cites·33 claims
- 0681US4997035AJoint crevice corrosion inhibitorBLACKSTONE CORP·Filed 1990·Granted Mar 5, 1991·49 cites·26 claims
- 0767US4465129AHeat exchanger core assembly construction and methods of making the sameBLACKSTONE CORP·Filed 1982·Granted Aug 14, 1984·30 cites·6 claims
- 0861US3993236AMethods and apparatus for solderingBLACKSTONE CORP·Filed 1975·Granted Nov 23, 1976·13 cites·10 claims
- 0954US3991933AMethods and apparatus for solderingBLACKSTONE CORP·Filed 1975·Granted Nov 16, 1976·10 cites·8 claims
- 1053US5076557ATwist indicator gasketBLACKSTONE CORP·Filed 1991·Granted Dec 31, 1991·22 cites·4 claims
- 1152US5031924ATwist indicator gasketBLACKSTONE CORP·Filed 1989·Granted Jul 16, 1991·15 cites·13 claims
- 1251US4965431ASweep welding method and apparatus thereforBLACKSTONE CORP·Filed 1989·Granted Oct 23, 1990·19 cites·46 claims
- 1350US4007119AMethods and apparatus for skimming liquidsBLACKSTONE CORP·Filed 1975·Granted Feb 8, 1977·10 cites·2 claims
- 1443US4071179AApparatus and methods for fluxless solderingBLACKSTONE CORP·Filed 1975·Granted Jan 31, 1978·6 cites·6 claims
- 1540US4602633AMethods and apparatus for disintegration of urinary calculi under direct visionBLACKSTONE CORP·Filed 1984·Granted Jul 29, 1986·19 cites·10 claims
- 1638US4215742AExhaust coolersBLACKSTONE CORP·Filed 1978·Granted Aug 5, 1980·7 cites·10 claims
- 1736US3931921AUltrasonic flame soldering toolBLACKSTONE CORP·Filed 1974·Granted Jan 13, 1976·4 cites·6 claims
- 1831US3989179AMethods of dip solderingBLACKSTONE CORP·Filed 1975·Granted Nov 2, 1976·2 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →