Assignee
DUVAL EUGENE F
11 granted patents·2 pending applications·1,870 citations·filing 1978–2011
Top patents by PatentIndex Score
13 records- 0198US8551076B2Retrograde instrumentDUVAL EUGENE F·Filed 2010·Granted Oct 8, 2013·1.6k cites·18 claims
- 0292US8161838B2Method and apparatus for reducing at least one friction force opposing an axial force exerted through an actuator elementDUVAL EUGENE F·Filed 2008·Granted Apr 24, 2012·17 cites·25 claims
- 0392US7428855B2Counter balance system and method with one or more mechanical armsDUVAL EUGENE F·Filed 2003·Granted Sep 30, 2008·37 cites·8 claims
- 0491US9949620B2Minimally invasive surgical systemDUVAL EUGENE F·Filed 2007·Granted Apr 24, 2018·36 cites·19 claims
- 0591US9301807B2Surgical system counterbalanceDUVAL EUGENE F·Filed 2010·Granted Apr 5, 2016·23 cites·21 claims
- 0691US8062211B2Retrograde instrumentDUVAL EUGENE F·Filed 2007·Granted Nov 22, 2011·34 cites·11 claims
- 0789US7798035B2Mechanical arm including a counter-balanceDUVAL EUGENE F·Filed 2008·Granted Sep 21, 2010·16 cites·17 claims
- 0888US7677540B1Dual pulley constant force mechanismDUVAL EUGENE F·Filed 2004·Granted Mar 16, 2010·25 cites·7 claims
- 0981US4450868AFreeze protection apparatus for solar collectorsDUVAL EUGENE F·Filed 1981·Granted May 29, 1984·38 cites·4 claims
- 1078US9173547B2Retrograde instrumentDUVAL EUGENE F·Filed 2011·Granted Nov 3, 2015·3 cites·9 claims
- 1170US4280478AFreeze protection apparatus for solar collectorsDUVAL EUGENE F·Filed 1978·Granted Jul 28, 1981·22 cites·9 claims
- 1248US2011187036A1Adjustable stiffness springDUVAL EUGENE F·Filed 2010·Application pending·0 cites
- 1347US2010243377A1Device for translating a force including a focused grooveDUVAL EUGENE F·Filed 2010·Application pending·0 cites
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