Inventor · disambiguated record
Frederick A. Zenz
Also filed as: ETHEREDGE BENJAMIN F · ZENZ FREDERICK A
13 granted patents·199 citations·filing 1976–2019
92Inventor score
Top patents by PatentIndex Score
13 records- 0184US5033413AFluidized bed combustion system and method utilizing capped dual-sided contact unitsHYDROCARBON RESEARCH INC·Filed 1990·Granted Jul 23, 1991·53 cites·22 claims
- 0281US11612874B2Loading/unloading of particulates to/from microchannel reactorsVELOCYS INC·Filed 2019·Granted Mar 28, 2023·1 cites·12 claims
- 0377US10335759B2Loading/unloading of particulates to/from microchannel reactorsRAMLER JEFFREY J·Filed 2008·Granted Jul 2, 2019·6 cites·20 claims
- 0477US4947803AFludized bed reactor using capped dual-sided contact units and methods for useHYDROCARBON RESEARCH INC·Filed 1989·Granted Aug 14, 1990·33 cites·20 claims
- 0568US5656243AFluidized bed reactor and process for performing reactions thereinSNAM PROGETTI·Filed 1995·Granted Aug 12, 1997·34 cites·17 claims
- 0663US4172667AMethod and apparatus for blending powders in a fluidized bedGEN ELECTRIC·Filed 1977·Granted Oct 30, 1979·19 cites·20 claims
- 0762US4072130AApparatus and method for generating steamDUCON CO·Filed 1976·Granted Feb 7, 1978·17 cites·11 claims
- 0846US5368824AGas distribution system for fluidized bed reactorsMARQUESS AND NELL INC·Filed 1993·Granted Nov 29, 1994·14 cites·6 claims
- 0942US4260298AControl of solids discharge from pressurized vesselDUCON CO·Filed 1979·Granted Apr 7, 1981·6 cites·6 claims
- 1036US4067704AGranular bed filterDUCON CO·Filed 1976·Granted Jan 10, 1978·4 cites·10 claims
- 1133US5034196AParticle fractionator employing multiple fluidized bed modulesZENZ FREDERICK A·Filed 1988·Granted Jul 23, 1991·10 cites·3 claims
- 1229US4155728AScreenless granular bed filterDUCON CO·Filed 1978·Granted May 22, 1979·1 cites·7 claims
- 1329US4140497AScreenless granular bed filterDUCON CO·Filed 1977·Granted Feb 20, 1979·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →