SD

Stephen H. Davis

WR Water Refining: 12 patents #1 of 8Top 15%
AE Aetna: 1 patents #68 of 159Top 45%
Overall (All Time): #317,860 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10938924 Systems and methods related to executing transactions in a hybrid cloud environment Claus T. Jensen, Robert Bachmann 2021-03-02
6425207 Window regulator with window panel clamp unit 2002-07-30
5318407 Check valve having internal float 1994-06-07
4568465 Water treatment system and control therefor Donald J. Muckerheide 1986-02-04
D274929 Combined water treatment and storage unit Randy R. Stephens 1984-07-31
4426285 Water softening and treatment system 1984-01-17
4416773 Valve mechanism for multiple distributor fluid treatment system Daniel Wayne Simpson 1983-11-22
4387021 System for handling exhausted vermiculite cation exchange materials James E. Etzel, Robert E. Wiegert 1983-06-07
4385357 Water treatment system and control therefor Donald J. Muckerheide 1983-05-24
4347132 Reverse osmosis expansible pressurized permeate storage having permeate and concentrate controls 1982-08-31
4343699 Convertible dual container storage system 1982-08-10
4329225 Mixed bed deionizer Daniel Wayne Simpson 1982-05-11
4289617 Water softening and reverse osmosis system 1981-09-15
4217011 Water softener cabinet 1980-08-12
4207397 Method for recovering and treating brine from water softener regeneration James E. Etzel 1980-06-10