Inventor · disambiguated record
Donald J. Heil
Also filed as: HEIL DONALD · HEIL DONALD J
7 granted patents·3 pending applications·185 citations·filing 1976–2011
88Inventor score
Files withAMERICAN HOSPITAL SUPPLY CORP3MIDWEST DENTAL PRODUCTS CORP3CHRONISTER BENJAMIN1DENTSPLY INT INC1HEIL DONALD J1
Top patents by PatentIndex Score
10 records- 0189US7955079B2Dental prophylaxis angle and handpiece assemblyDENTSPLY INT INC·Filed 2007·Granted Jun 7, 2011·20 cites·28 claims
- 0267US5040980ADental handpiece with spring grip chuck and lever release mechanismMIDWEST DENTAL PRODUCTS CORP·Filed 1990·Granted Aug 20, 1991·54 cites·29 claims
- 0365US4089115ASpring grip chuck assembly for dental handpiecesAMERICAN HOSPITAL SUPPLY CORP·Filed 1976·Granted May 16, 1978·26 cites·13 claims
- 0460US5039304AQuick connect/disconnect coupling for dental handpiecesMIDWEST DENTAL PRODUCTS CORP·Filed 1990·Granted Aug 13, 1991·40 cites·11 claims
- 0552US2012107769A1Dental prophylaxis angle and handpiece assemblyCHRONISTER BENJAMIN·Filed 2011·Application pending·0 cites
- 0650US2007031786A1Dental handpieceHEIL DONALD J·Filed 2006·Application pending·0 cites
- 0745US5033960ADental handpiece connector assembly with replaceable air-cooled lamp and insertion/extraction tool thereforMIDWEST DENTAL PRODUCTS CORP·Filed 1990·Granted Jul 23, 1991·22 cites·20 claims
- 0843US4340366AWater/air spray system for dental handpieceAMERICAN HOSPITAL SUPPLY CORP·Filed 1981·Granted Jul 20, 1982·11 cites·4 claims
- 0943US4330279AFluid spray system for dental handpieceAMERICAN HOSPITAL SUPPLY CORP·Filed 1980·Granted May 18, 1982·12 cites·21 claims
- 1042US2003219698A1Dental handpieceFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →