Inventor · disambiguated record
Yunchang Zhang
Also filed as: ZHANG YUNCHANG
23 granted patents·521 citations·filing 1988–2014
96Inventor score
Files withBE INTELLECTUAL PTY INC13PURITAN BENNETT CORP4NELLCOR PURITAN BENNETT INC2BE AEROSPACE INC1MAROSKE GERALD1
Top patents by PatentIndex Score
23 records- 0195US5040552AMetal carbide heat sourcePHILIP MORRIS INC·Filed 1988·Granted Aug 20, 1991·208 cites·18 claims
- 0289US5338516AChemical oxygen generatorPURITAN BENNETT CORP·Filed 1992·Granted Aug 16, 1994·43 cites·13 claims
- 0386US5198147AChemical oxygen generatorPURITAN BENNETT CORP·Filed 1991·Granted Mar 30, 1993·36 cites·13 claims
- 0483US6866794B1Strontium peroxide catalyzed oxygen generating compositionsBE INTELLECTUAL PTY INC·Filed 2000·Granted Mar 15, 2005·24 cites·10 claims
- 0576US6264896B1Oxygen generating compositionsBE INTELLECTUAL PTY INC·Filed 2000·Granted Jul 24, 2001·7 cites·3 claims
- 0676US5298187ANon-toxic chemical oxygen generating compositionsPURITAN BENNETT CORP·Filed 1992·Granted Mar 29, 1994·30 cites·28 claims
- 0775US6193907B1Oxygen generating formulation with high structural integrityBE INTELLECTUAL PTY INC·Filed 2000·Granted Feb 27, 2001·12 cites·5 claims
- 0875US5882545AOxygen generating compositionsNELLCOR PURITAN BENNETT INC·Filed 1996·Granted Mar 16, 1999·22 cites·17 claims
- 0975US5783105AOxygen generating compositionsNELLCOR PURITAN BENNETT·Filed 1995·Granted Jul 21, 1998·30 cites·20 claims
- 1068US6007736AOxygen generating compositions catalyzed by copper and nickel oxidesBE INTELLECTUAL PTY INC·Filed 1996·Granted Dec 28, 1999·28 cites·4 claims
- 1166US6464757B2Filter for chemical oxygen generatorsBE INTELLECTUAL PTY INC·Filed 2001·Granted Oct 15, 2002·10 cites·5 claims
- 1263US6030583AOxygen generating compositionsBE INTELLECTUAL PTY INC·Filed 1998·Granted Feb 29, 2000·18 cites·23 claims
- 1360US9388043B2Chemical oxygen generator with chemical cores arranged in parallelBE AEROSPACE INC·Filed 2014·Granted Jul 12, 2016·0 cites·15 claims
- 1460US5279761AChemical oxygen generating compositions containing LI202PURITAN BENNETT CORP·Filed 1992·Granted Jan 18, 1994·19 cites·6 claims
- 1558US8741221B2Chemical oxygen generator with chemical cores arranged in parallelMAROSKE GERALD·Filed 2012·Granted Jun 3, 2014·2 cites·22 claims
- 1658US6231816B1Low temperature sensitivity oxygen generating compositionsBE INTELLECTUAL PTY INC·Filed 2000·Granted May 15, 2001·2 cites·6 claims
- 1753US6126854AOxygen generating compositionsBE INTELLECTUAL PTY INC·Filed 1999·Granted Oct 3, 2000·7 cites·13 claims
- 1848US6296689B1Filter for chemical oxygen generatorsBE INTELLECTUAL PTY INC·Filed 2000·Granted Oct 2, 2001·1 cites·8 claims
- 1947US6352652B2Low temperature sensitivity oxygen generating compositionsBE INTELLECTUAL PTY INC·Filed 2001·Granted Mar 5, 2002·5 cites·6 claims
- 2044US6054067ALow temperature sensitivity oxygen generating compositionsBE INTELLECTUAL PTY INC·Filed 1998·Granted Apr 25, 2000·6 cites·18 claims
- 2139US6143196AOxygen generating formulation with high structural integrityNELLCOR PURITAN BENNETT INC·Filed 1998·Granted Nov 7, 2000·4 cites·9 claims
- 2239USRE36199EChemical oxygen generatorBE INTELLECTUAL PTY INC·Filed 1997·Granted Apr 27, 1999·4 cites·5 claims
- 2333US6071329AFilter for chemical oxygen generatorsBE INTELLECTUAL PTY INC·Filed 1998·Granted Jun 6, 2000·3 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →