Inventor · disambiguated record
Dusan J. Hvolka
Also filed as: HVOLKA DUSAN J · HVOLKA DUSAN JAN
10 granted patents·2 pending applications·194 citations·filing 1988–2009
91Inventor score
Files withDJH ENGINEERING CENTER INC3HVOLKA DUSAN J3DJH ENGINEERING CT INC2CANNON ENG TECH1DARWIN IND INC1
Top patents by PatentIndex Score
12 records- 0183US7537536B2Two speed gearboxHVOLKA DUSAN J·Filed 2006·Granted May 26, 2009·20 cites·12 claims
- 0278US5190123ADirect drive axle brake and cooling systemCANNON ENG TECH·Filed 1991·Granted Mar 2, 1993·33 cites·16 claims
- 0365US5082082AMulti-purpose service vehicleDJH ENGINEERING CENTER INC·Filed 1990·Granted Jan 21, 1992·48 cites·16 claims
- 0461US6616567B2Two speed gear boxTEREX CORP·Filed 2001·Granted Sep 9, 2003·19 cites·8 claims
- 0552US5356351AShuttlecar wheel endEIMCO MINING MACH·Filed 1992·Granted Oct 18, 1994·10 cites·8 claims
- 0646US4856378AVariable speed transmissionDJH ENGINEERING CENTER INC·Filed 1988·Granted Aug 15, 1989·10 cites·13 claims
- 0745US5147011AMulti-purpose uni-body digging service vehicleDJH ENGINEERING CENTER INC·Filed 1991·Granted Sep 15, 1992·18 cites·17 claims
- 0844US6935986B2Two speed gearboxDARWIN IND INC·Filed 2002·Granted Aug 30, 2005·13 cites·19 claims
- 0944US2010267508A1Direct drive electric shift two speed planetary gearboxDJH ENGINEERING CT INC·Filed 2009·Application pending·0 cites
- 1040US5120182AMulti-purpose articulated bucket lift digging and hauling vehicleHVOLKA DUSAN J·Filed 1990·Granted Jun 9, 1992·15 cites·9 claims
- 1135US2009247346A1Two speed planetary electric shift gearboxDJH ENGINEERING CT INC·Filed 2008·Application pending·0 cites
- 1232US5141384AMulti-purpose articulated drag arm digging and hauling vehicleHVOLKA DUSAN J·Filed 1990·Granted Aug 25, 1992·8 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →