Inventor · disambiguated record
Emery W. Neitzel
Also filed as: NEITZEL EMERY W
6 granted patents·178 citations·filing 1980–2004
86Inventor score
Files withGREENHECK FAN CORP6
Top patents by PatentIndex Score
6 records- 0175US4373509AHigh efficiency ventilation systemGREENHECK FAN CORP·Filed 1980·Granted Feb 15, 1983·40 cites·9 claims
- 0273US6994743B2Two stage air filterGREENHECK FAN CORP·Filed 2004·Granted Feb 7, 2006·19 cites·15 claims
- 0362US5809993AExhaust fan with dry lubricant coatingGREENHECK FAN CORP·Filed 1997·Granted Sep 22, 1998·25 cites·8 claims
- 0462US5673681AVentilation system for conveyor ovenGREENHECK FAN CORP·Filed 1996·Granted Oct 7, 1997·43 cites·7 claims
- 0561US6050258AExhaust fan with dry lubricant coatingGREENHECK FAN CORP·Filed 1998·Granted Apr 18, 2000·24 cites·14 claims
- 0658US6251153B1Centrifugal air filterGREENHECK FAN CORP·Filed 1999·Granted Jun 26, 2001·27 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →