Inventor · disambiguated record
Lloyd Ewing
Also filed as: BYKOWSKI MICHAEL J · EWING LLOYD
13 granted patents·458 citations·filing 1972–1995
94Inventor score
Files withWATER POLLUTION CONTROL CORP8EWING ENGINEERING COMPANY3ITT MFG ENTERPRISES INC1SANITAIRE CORP1
Top patents by PatentIndex Score
13 records- 0193US4288394ASewage aeration systemWATER POLLUTION CONTROL CORP·Filed 1979·Granted Sep 8, 1981·89 cites·48 claims
- 0288US4889620AIn place gas cleaning of diffusion elementsWATER POLLUTION CONTROL CORP·Filed 1985·Granted Dec 26, 1989·77 cites·20 claims
- 0387US3979289AFiltration methodWATER POLLUTION CONTROL CORP·Filed 1974·Granted Sep 7, 1976·51 cites·32 claims
- 0486US4023835AConformable thin-wall shear-resistant coupling and pipe assemblyEWING ENGINEERING COMPANY·Filed 1975·Granted May 17, 1977·51 cites·64 claims
- 0583US4029575APhosphorus removal from waste waterEWING ENGINEERING COMPANY·Filed 1972·Granted Jun 14, 1977·39 cites·16 claims
- 0673US6475395B1Liquid treatment process with in-plant pressure monitoring of submerged diffusersITT MFG ENTERPRISES INC·Filed 1995·Granted Nov 5, 2002·40 cites·27 claims
- 0770US4198299AMicroscreen method and apparatusWATER POLLUTION CONTROL CORP·Filed 1977·Granted Apr 15, 1980·26 cites·37 claims
- 0862US4023834APush-type coupling and conduit pipe assemblyEWING ENGINEERING COMPANY·Filed 1975·Granted May 17, 1977·25 cites·42 claims
- 0961US4261933ADiffusion elementWATER POLLUTION CONTROL CORP·Filed 1978·Granted Apr 14, 1981·20 cites·58 claims
- 1044US5328601AApparatus for in place gas cleaning of diffusion elementsWATER POLLUTION CONTROL CORP·Filed 1989·Granted Jul 12, 1994·13 cites·38 claims
- 1140US4261932ADiffusion element with boundary zone treatmentWATER POLLUTION CONTROL CORP·Filed 1978·Granted Apr 14, 1981·9 cites·65 claims
- 1237US6200468B1Aeration system apparatus with source of in situ cleaning agent and pressure monitoring connection for submerged diffuserSANITAIRE CORP·Filed 1994·Granted Mar 13, 2001·10 cites·24 claims
- 1337US4288395ADiffusion element with boundary zone treatmentWATER POLLUTION CONTROL CORP·Filed 1980·Granted Sep 8, 1981·8 cites·42 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →