Inventor · disambiguated record
Donald R. Hill
Also filed as: HILL DONALD · HILL DONALD R · HILL DONALD R J
12 granted patents·168 citations·filing 1975–2018
91Inventor score
Top patents by PatentIndex Score
12 records- 0188US4129273AKite control mechanismHILL DONALD R·Filed 1977·Granted Dec 12, 1978·41 cites·15 claims
- 0285US8147391B1Exercise barHILL DONALD R·Filed 2010·Granted Apr 3, 2012·19 cites·3 claims
- 0376US4015496ADimpleless tube cutoff deviceHILL ENGINEERING INC·Filed 1976·Granted Apr 5, 1977·20 cites·14 claims
- 0475US10137489B2Rotary stamperHILL DONALD R·Filed 2014·Granted Nov 27, 2018·2 cites·4 claims
- 0570US8783082B2Rotary stamperHILL DONALD R·Filed 2009·Granted Jul 22, 2014·3 cites·5 claims
- 0669US11583910B2Rotary stamperFORMTEK INC·Filed 2018·Granted Feb 21, 2023·0 cites·6 claims
- 0765US4130618AEthylene polymer-petroleum wax compositionsGULF OIL CORP·Filed 1977·Granted Dec 19, 1978·18 cites·15 claims
- 0863US4093692AMelt extrusion processGULF OIL CORP·Filed 1977·Granted Jun 6, 1978·16 cites·6 claims
- 0948US6354180B1System for cutting sheet materialHILL ENGINEERING INC·Filed 1998·Granted Mar 12, 2002·15 cites·19 claims
- 1047US5690011AHydraulic double-cut tube cutoffFiled 1995·Granted Nov 25, 1997·14 cites·22 claims
- 1142US6450752B1Method and apparatus for incrementally feeding a tube along a linear tube pathHILL ENGINEERING INC·Filed 1999·Granted Sep 17, 2002·12 cites·12 claims
- 1238US3959152ATraction-driven composite sludge raking mechanism for sedimentation tanksDORR OLIVER INC·Filed 1975·Granted May 25, 1976·8 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →