Inventor · disambiguated record
Johannes Gerardus Ludovicus Maria Van Spijk
Also filed as: VAN SPIJK JOHANNES GERARDUS L · VAN SPIJK JOHANNES GERARDUS LU · VAN SPIJK JOHANNES GERARDUS LUDOVICUS MARIA
18 granted patents·1 pending application·121 citations·filing 1996–2004
93Inventor score
Files withDOORNES TRANSMISSIE BV15BOSCH TRANSMISSION TECHNOLOGY1DORRNE S TRANSMISSIE B V VAN1S DOORNE S TRANSMISSIE B V VAN1VAN DER LEEST ADRIANUS JOHANNE1
Top patents by PatentIndex Score
19 records- 0171US6280357B1Continuously variable transmissionDOORNES TRANSMISSIE BV·Filed 1999·Granted Aug 28, 2001·24 cites·15 claims
- 0269US5800299AContinuously variable transmissionDOORNES TRANSMISSIE BV·Filed 1996·Granted Sep 1, 1998·27 cites·15 claims
- 0364US5941786AContinuously variable transmission with at least two pumps connected in series/parallelDOORNES TRANSMISSIE BV·Filed 1997·Granted Aug 24, 1999·20 cites·16 claims
- 0456US6312243B1Roller vane pump having straight line segments on the rotorDOORNES TRANSMISSIE BV·Filed 2000·Granted Nov 6, 2001·5 cites·4 claims
- 0553US6464482B1Mechanically driven roller vane pumpDOORNES TRANSMISSIE BV·Filed 2000·Granted Oct 15, 2002·3 cites·21 claims
- 0652US6962542B2Continuously variable transmission and pulleyDOORNES TRANSMISSIE BV·Filed 2002·Granted Nov 8, 2005·5 cites·18 claims
- 0750US7431674B2Continuously variable transmissionDOORNES TRANSMISSIE BV·Filed 2003·Granted Oct 7, 2008·7 cites·9 claims
- 0848US6413066B1Mechanically driven roller vane pump with aperture end parts providing for gradual pressure changes in the pump chambersDOORNES TRANSMISSIE BV·Filed 2000·Granted Jul 2, 2002·2 cites·23 claims
- 0948US6152711ARoller vane pump having a suction port through the cam ringDOORNES TRANSMISSIE BV·Filed 1998·Granted Nov 28, 2000·8 cites·7 claims
- 1046US6835056B2Roller vane pump incorporating a bearing bushDOORNES TRANSMISSIE BV·Filed 2001·Granted Dec 28, 2004·2 cites·17 claims
- 1145US7175554B2Hydraulically controllable constant speed drive and method for the design thereofDOORNES TRANSMISSIE BV·Filed 2001·Granted Feb 13, 2007·3 cites·11 claims
- 1245US6382924B1Mechanically driven roller vane pump with enlarged surface area of the aperturesDOORNES TRANSMISSIE BV·Filed 2000·Granted May 7, 2002·1 cites·23 claims
- 1343US6652399B2Continuously variable transmissionDOORNES TRANSMISSIE BV·Filed 2001·Granted Nov 25, 2003·2 cites·5 claims
- 1442US6416303B1Mechanically driven roller vane pump with aperture end parts providing for gradual pressure changes in the pump chambersS DOORNE S TRANSMISSIE B V VAN·Filed 2000·Granted Jul 9, 2002·2 cites·15 claims
- 1542US6375445B1Roller vane pump having a partly curved vane slotDOORNES TRANSMISSIE BV·Filed 2000·Granted Apr 23, 2002·1 cites·17 claims
- 1642US5833445ARotary pump having a compensating couplingDOORNES TRANSMISSIE BV·Filed 1996·Granted Nov 10, 1998·8 cites·12 claims
- 1739US6447277B1Mechanically driven roller vane pump with channels between corresponding cam and carrier chambersDORRNE S TRANSMISSIE B V VAN·Filed 2000·Granted Sep 10, 2002·1 cites·8 claims
- 1832US2007117663A1Continuously variable transmissionVAN DER LEEST ADRIANUS JOHANNE·Filed 2004·Application pending·0 cites
- 1929US7780557B2Efficient high torque continuously variable transmissionBOSCH TRANSMISSION TECHNOLOGY·Filed 2002·Granted Aug 24, 2010·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Johannes Gerardus Ludovicus Maria Van Spijk files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →