Inventor · disambiguated record
Donald J. Waldman
Also filed as: WALDMAN DONALD · WALDMAN DONALD J · WALDMAN DONALD JOHN · WALDMAN LEGAL REPRESENTATIVE M
13 granted patents·494 citations·filing 1984–2005
94Inventor score
Files withCATERPILLAR INC6CATERPILLAR TRACTOR CO3ILLINOIS VALLEY HOLDING COMPAN2CONCEPTS CONTINENTAL INC1ILLINOIS VALLEY HOLDING CO1
Top patents by PatentIndex Score
13 records- 0197US6233926B1Apparatus and method for filtering particulate in an exhaust trapILLINOIS VALLEY HOLDING COMPAN·Filed 2000·Granted May 22, 2001·126 cites·53 claims
- 0289US7273514B2Apparatus and method for filtering particulate and NOx emissionsILLINOIS VALLEY HOLDING COMPAN·Filed 2005·Granted Sep 25, 2007·19 cites·14 claims
- 0387US6989045B2Apparatus and method for filtering particulate and reducing NOx emissionsILLINOIS VALLEY HOLDING CO·Filed 2002·Granted Jan 24, 2006·63 cites·60 claims
- 0485US4531494ADistributor fuel injection pump having a nutator pump subassemblyCATERPILLAR TRACTOR CO·Filed 1984·Granted Jul 30, 1985·27 cites·5 claims
- 0583US5651345ADirect operated check HEUI injectorCATERPILLAR INC·Filed 1995·Granted Jul 29, 1997·42 cites·22 claims
- 0681US5564125ACombination outerwear garment and carrier packCONCEPTS CONTINENTAL INC·Filed 1994·Granted Oct 15, 1996·94 cites·23 claims
- 0772US5347809AApparatus and method for removing particulate from an exhaust gas filterCATERPILLAR INC·Filed 1993·Granted Sep 20, 1994·36 cites·13 claims
- 0861US5279268APiston assembly with distributed loading and centrally fastened wrist pinCATERPILLAR INC·Filed 1993·Granted Jan 18, 1994·23 cites·11 claims
- 0958US4554901AFluid distributing apparatusCATERPILLAR TRACTOR CO·Filed 1984·Granted Nov 26, 1985·9 cites·7 claims
- 1056US5564699ASide and gap sealed oil ringCATERPILLAR INC·Filed 1995·Granted Oct 15, 1996·21 cites·2 claims
- 1149US5845852ADirect operated check injectorCATERPILLAR INC·Filed 1996·Granted Dec 8, 1998·12 cites·30 claims
- 1248US5603512ASide and gap sealed oil ringCATERPILLAR INC·Filed 1996·Granted Feb 18, 1997·15 cites·8 claims
- 1343US4557237ABypass restrictor for distribution valveCATERPILLAR TRACTOR CO·Filed 1984·Granted Dec 10, 1985·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →