Inventor · disambiguated record
Donald Mackenzie
Also filed as: MACKENZIE DONALD R · MACKENZIE Donald
8 granted patents·246 citations·filing 1978–2017
90Inventor score
Files withSPM FLOW CONTROL INC3BAYYOUK JACOB A2AMERICAN TELEPHONE & TELEGRAPH1BELL TELEPHONE LABOR INC1MACKENZIE DONALD R1
Top patents by PatentIndex Score
8 records- 0196US8662865B2Offset valve bore in a reciprocating pumpSPM FLOW CONTROL INC·Filed 2013·Granted Mar 4, 2014·44 cites·30 claims
- 0295US9989044B2Offset valve bore in a reciprocating pumpSPM FLOW CONTROL INC·Filed 2017·Granted Jun 5, 2018·29 cites·20 claims
- 0395US9784262B2Offset valve bore in a reciprocating pumpSPM FLOW CONTROL INC·Filed 2014·Granted Oct 10, 2017·30 cites·20 claims
- 0495US8662864B2Offset valve bore in a reciprocating pumpBAYYOUK JACOB A·Filed 2011·Granted Mar 4, 2014·43 cites·13 claims
- 0591US8668470B2Offset valve bore for a reciprocating pumpBAYYOUK JACOB A·Filed 2011·Granted Mar 11, 2014·36 cites·36 claims
- 0667US4286361AHose clampMACKENZIE DONALD R·Filed 1980·Granted Sep 1, 1981·24 cites·3 claims
- 0766US4699456AHermetic fiber sealAMERICAN TELEPHONE & TELEGRAPH·Filed 1985·Granted Oct 13, 1987·26 cites·10 claims
- 0858US4252457AOptical fiber-to-metal hermetic sealBELL TELEPHONE LABOR INC·Filed 1978·Granted Feb 24, 1981·14 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →