Assignee
CHRISTIANSON TONY
US·21 granted patents·4 pending applications·495 citations·filing 1977–2022
Top patents by PatentIndex Score
25 records- 0198US4152001ASkateboard truckCHRISTIANSON TONY·Filed 1977·Granted May 1, 1979·91 cites·24 claims
- 0297US11585370B1Pin lock carabinerCHRISTIANSON TONY·Filed 2022·Granted Feb 21, 2023·8 cites·20 claims
- 0388US4643377AMechanically expanding climbing aidCHRISTIANSON TONY·Filed 1985·Granted Feb 17, 1987·82 cites·11 claims
- 0486US7077127B2Flip top valve for dry snorkelsCHRISTIANSON TONY·Filed 2005·Granted Jul 18, 2006·10 cites·26 claims
- 0585US4872453ASnorkelCHRISTIANSON TONY·Filed 1988·Granted Oct 10, 1989·45 cites·17 claims
- 0681US8621728B2Locking carabinerCHRISTIANSON TONY·Filed 2012·Granted Jan 7, 2014·8 cites·13 claims
- 0780US7992267B2Snap lock carabinerCHRISTIANSON TONY·Filed 2007·Granted Aug 9, 2011·12 cites·26 claims
- 0880US4877022ASkin diving snorkelCHRISTIANSON TONY·Filed 1988·Granted Oct 31, 1989·35 cites·15 claims
- 0977US4879995ASnorkel for skin diversCHRISTIANSON TONY·Filed 1987·Granted Nov 14, 1989·28 cites·20 claims
- 1077US4297998APilot controlled regulator second stageCHRISTIANSON TONY·Filed 1979·Granted Nov 3, 1981·26 cites·12 claims
- 1174US5092324ASnorkel for skin diversCHRISTIANSON TONY·Filed 1989·Granted Mar 3, 1992·24 cites·11 claims
- 1273US4862884ARegulator second stage for scubaCHRISTIANSON TONY·Filed 1987·Granted Sep 5, 1989·27 cites·13 claims
- 1368US5251618ARegulator second stage for scubaCHRISTIANSON TONY·Filed 1990·Granted Oct 12, 1993·26 cites·11 claims
- 1464US7909030B2Elliptical purge valve for snorkelsCHRISTIANSON TONY·Filed 2005·Granted Mar 22, 2011·2 cites·17 claims
- 1561US7963366B2Split tube belay deviceCHRISTIANSON TONY·Filed 2007·Granted Jun 21, 2011·2 cites·14 claims
- 1659US2014238391A1Flip top valve for dry snorkelsCHRISTIANSON TONY·Filed 2014·Application pending·0 cites
- 1757US2006254582A1Flip top valve for dry snorkelsCHRISTIANSON TONY·Filed 2006·Application pending·0 cites
- 1856US4603833AInlet valve for breathing apparatus second stage regulatorsCHRISTIANSON TONY·Filed 1982·Granted Aug 5, 1986·13 cites·2 claims
- 1955US2013032141A1Flip top valve for dry snorkelsCHRISTIANSON TONY·Filed 2012·Application pending·0 cites
- 2054US5035238ARegulator second stage for scubaCHRISTIANSON TONY·Filed 1989·Granted Jul 30, 1991·14 cites·3 claims
- 2149US4574797ADiaphragm and exhaust valve for second stage regulatorCHRISTIANSON TONY·Filed 1983·Granted Mar 11, 1986·10 cites·7 claims
- 2249US4386624APilot controlled regulator second stageCHRISTIANSON TONY·Filed 1981·Granted Jun 7, 1983·10 cites·3 claims
- 2347US4503852APilot controlled regulator second stageCHRISTIANSON TONY·Filed 1983·Granted Mar 12, 1985·11 cites·5 claims
- 2446US2004143945A1Hinge locking carabinerCHRISTIANSON TONY·Filed 2004·Application pending·0 cites
- 2539US4565370AFoot holding device for hanging upside-downCHRISTIANSON TONY·Filed 1982·Granted Jan 21, 1986·11 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →