Inventor · disambiguated record
Dennis Bulgatz
Also filed as: BULGATZ DENNIS · BULGATZ DENNIS C
34 granted patents·1 pending application·682 citations·filing 1990–2003
98Inventor score
Top patents by PatentIndex Score
35 records- 0193US6676044B2Modular fuel injector and method of assembling the modular fuel injectorSIEMENS AUTOMOTIVE CORP LP·Filed 2001·Granted Jan 13, 2004·36 cites·25 claims
- 0290US5548263AElectromagnetically actuated valveAURA SYSTEMS INC·Filed 1993·Granted Aug 20, 1996·49 cites·8 claims
- 0386US6116570AElectromagnetic actuator with internal oil system and improved hydraulic lash adjusterSIEMENS AUTOMOTIVE CORP LP·Filed 1999·Granted Sep 12, 2000·48 cites·28 claims
- 0486US5434458AVoice coil actuatorAURA SYSTEMS INC·Filed 1994·Granted Jul 18, 1995·49 cites·9 claims
- 0586US5099158AElectromagnetic actuatorAURA SYSTEMS INC·Filed 1990·Granted Mar 24, 1992·55 cites·11 claims
- 0685US7347383B2Modular fuel injector and method of assembling the modular fuel injectorSIEMENS VDO AUTOMOTIVE CORP·Filed 2003·Granted Mar 25, 2008·19 cites·4 claims
- 0785US5772179AHinged armature electromagnetically actuated valveAURA SYSTEMS INC·Filed 1995·Granted Jun 30, 1998·51 cites·5 claims
- 0880US5424592AElectromagnetic transducerAURA SYSTEMS INC·Filed 1993·Granted Jun 13, 1995·44 cites·12 claims
- 0979US6851631B2Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having an integral filter and O-ring retainer assemblySIEMENS VDO AUTOMOTIVE CORP·Filed 2003·Granted Feb 8, 2005·16 cites·13 claims
- 1078US5624155AElectromagnetic transducerAURA SYSTEMS INC·Filed 1995·Granted Apr 29, 1997·43 cites·2 claims
- 1177US6157277AElectromagnetic actuator with improved lamination core-housing connectionSIEMENS AUTOMOTIVE CORP LP·Filed 1998·Granted Dec 5, 2000·30 cites·15 claims
- 1274US6851622B2Fuel injector having a ferromagnetic coil bobbinSIEMENS VDO AUTOMOTIVE CORP·Filed 2002·Granted Feb 8, 2005·16 cites·29 claims
- 1369US5187398AElectromagnetic actuatorAURA SYSTEMS INC·Filed 1992·Granted Feb 16, 1993·34 cites·12 claims
- 1468US6390393B1Fuel injector having spring seat allowing spring rotation and alignmentSIEMENS AUTOMOTIVE CORP LP·Filed 2000·Granted May 21, 2002·12 cites·23 claims
- 1567US6655609B2Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having an integral filter and o-ring retainer assemblySIEMENS AUTOMOTIVE CORP LP·Filed 2000·Granted Dec 2, 2003·10 cites·16 claims
- 1664US5350153ACore design for electromagnetically actuated valveAURA SYSTEMS INC·Filed 1993·Granted Sep 27, 1994·27 cites·16 claims
- 1763US6499677B2Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having an integral filter and dynamic adjustment assemblySIEMENS AUTOMOTIVE CORP LP·Filed 2000·Granted Dec 31, 2002·10 cites·20 claims
- 1863US5782454AElectromagnetically actuated valveAURA SYSTEMS INC·Filed 1996·Granted Jul 21, 1998·16 cites·2 claims
- 1963US5341054ALow mass electromagnetic actuatorAURA SYSTEMS INC·Filed 1992·Granted Aug 23, 1994·26 cites·20 claims
- 2059US6523756B2Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having a lift set sleeveSIEMENS AUTOMOTIVE CORP LP·Filed 2000·Granted Feb 25, 2003·8 cites·20 claims
- 2158US6371383B1Weld joint design for an armature/ball assembly for a fuel injectorSIEMENS AUTOMOTIVE CORP LP·Filed 2000·Granted Apr 16, 2002·7 cites·26 claims
- 2257US6793162B2Fuel injector and method of forming a hermetic seal for the fuel injectorSIEMENS AUTOMOTIVE CORP LP·Filed 2002·Granted Sep 21, 2004·10 cites·18 claims
- 2356US6764032B2Self-locking spring stop for fuel injector calibrationSIEMENS AUTOMOTIVE CORP LP·Filed 2003·Granted Jul 20, 2004·5 cites·7 claims
- 2454US6118366AElectromagnetic actuator with split housing assemblySIEMENS AUTOMOTIVE CORP LP·Filed 1998·Granted Sep 12, 2000·13 cites·14 claims
- 2553US6655610B2Self-locking spring stop for fuel injector calibrationSIEMENS AUTOMOTIVE CORP LP·Filed 2003·Granted Dec 2, 2003·4 cites·3 claims
- 2653US6501358B2Electromagnetic actuator with molded connectorSIEMENS AUTOMOTIVE CORP LP·Filed 2001·Granted Dec 31, 2002·4 cites·11 claims
- 2752US6601785B2Self-locking spring stop for fuel injector calibrationSIEMENS AUTOMOTIVE CORP LP·Filed 2001·Granted Aug 5, 2003·4 cites·14 claims
- 2849US5536984AVoice coil actuatorAURA SYSTEMS INC·Filed 1995·Granted Jul 16, 1996·17 cites·8 claims
- 2942US6044813AElectromagnetic actuator with detached lower collar to align with cylinder head boreSIEMENS AUTOMOTIVE CORP LP·Filed 1998·Granted Apr 4, 2000·7 cites·17 claims
- 3037US6094118AElectromagnetic actuator with stamped steel housingSIEMENS AUTOMOTIVE CORP LP·Filed 1998·Granted Jul 25, 2000·4 cites·25 claims
- 3134US6520422B2Modular fuel injector having a low mass, high efficiency electromagnetic actuator and having a terminal connector interconnecting an electromagnetic actuator with an electrical terminalSIEMENS AUTOMOTIVE CORP LP·Filed 2000·Granted Feb 18, 2003·1 cites·20 claims
- 3232US6312636B1Method for electromagnetic actuator with molded connectorSIEMENS AUTOMOTIVE CORP LP·Filed 1999·Granted Nov 6, 2001·1 cites·6 claims
- 3332US6067000AElectromagnetic actuator upper spring assemblySIEMENS AUTOMOTIVE CORP LP·Filed 1999·Granted May 23, 2000·3 cites·15 claims
- 3432US5768395ADouble ended field coil actuatorAURA SYSTEMS INC·Filed 1997·Granted Jun 16, 1998·3 cites·7 claims
- 3530US2001040018A1Electromagnetic actuator with lamination stack-housing dovetail connectionFiled 1998·Application pending·0 cites
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