Inventor · disambiguated record
David E. Welsh
Also filed as: WELSH DAVID · WELSH DAVID E · WELSH DAVID EDWARD
24 granted patents·943 citations·filing 1975–2004
97Inventor score
Top patents by PatentIndex Score
24 records- 0197US6668108B1Optical cross-connect switch with integrated optical signal tapCALIENT NETWORKS INC·Filed 2000·Granted Dec 23, 2003·171 cites·33 claims
- 0292US5090911AModular connector systemITT·Filed 1991·Granted Feb 25, 1992·91 cites·4 claims
- 0392US5046964AHybrid connectorITT·Filed 1989·Granted Sep 10, 1991·140 cites·10 claims
- 0491US6819815B1Method and apparatus for indirect adjustment of optical switch reflectorsCALIENT NETWORKS·Filed 2001·Granted Nov 16, 2004·54 cites·24 claims
- 0591US4808118ARetention and ground plane connector clipITT·Filed 1987·Granted Feb 28, 1989·72 cites·11 claims
- 0686US5088942AClosed entry socket contact assemblyITT·Filed 1991·Granted Feb 18, 1992·68 cites·11 claims
- 0785US6643425B1Optical switch having switch mirror arrays controlled by scanning beamsCALIENT NETWORKS INC·Filed 2000·Granted Nov 4, 2003·34 cites·49 claims
- 0881US6792177B2Optical switch with internal monitoringCALIENT NETWORKS INC·Filed 2001·Granted Sep 14, 2004·28 cites·56 claims
- 0979US8639069B1Wavelength dependent optical switchHELKEY ROGER JONATHAN·Filed 2004·Granted Jan 28, 2014·23 cites·10 claims
- 1073US6950215B2Method and apparatus for monitoring optical switchesCALIENT NETWORKS·Filed 2001·Granted Sep 27, 2005·16 cites·12 claims
- 1172US4812137AConnector with EMI/RFI grounding springITT·Filed 1987·Granted Mar 14, 1989·31 cites·8 claims
- 1270US4033656ALow profile integrated circuit socketZERO MANUFACTURING CO·Filed 1975·Granted Jul 5, 1977·31 cites·22 claims
- 1368US6681473B1Method and apparatus for hermetically sealing fiber array blocksCALIENT NETWORKS INC·Filed 2002·Granted Jan 27, 2004·12 cites·13 claims
- 1468US5015192AContact retention and sealing systemITT·Filed 1989·Granted May 14, 1991·27 cites·15 claims
- 1565US4941847AElectrical connector contact retention systemITT·Filed 1989·Granted Jul 17, 1990·24 cites·5 claims
- 1662US4935847ACircuit system with jackscrew installation deviceITT·Filed 1989·Granted Jun 19, 1990·20 cites·11 claims
- 1759US5898807AOptic fiber connectorITT MFG ENTERPRISES INC·Filed 1997·Granted Apr 27, 1999·22 cites·12 claims
- 1856US5411418ARepairable solderless connector arrangementITT·Filed 1993·Granted May 2, 1995·16 cites·7 claims
- 1953US6819824B1Optical switch packageCALIENT NETWORKS·Filed 2001·Granted Nov 16, 2004·5 cites·49 claims
- 2053US5778737ABalance weight and method of securing same to a rotatable tubular bodyDANA CORP·Filed 1994·Granted Jul 14, 1998·15 cites·24 claims
- 2148US6032551ABalance weight and method of securing same to a rotatable tubular bodyDANA CORP·Filed 1995·Granted Mar 7, 2000·11 cites·18 claims
- 2247US5373573AHigh density fiber optic connectorITT·Filed 1993·Granted Dec 13, 1994·12 cites·9 claims
- 2347US5066250APolarizing key permitting connector displacementITT·Filed 1990·Granted Nov 19, 1991·13 cites·6 claims
- 2437US5181863AEmi shielding backshell systemITT·Filed 1991·Granted Jan 26, 1993·7 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →