P

Inventor

UBAN STEPHEN A

US11 patents
⚠️ This page may combine multiple inventors who share the name “UBAN STEPHEN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNITED STATES FILTER CORP

3 patents
US5881809AMar 16, 1999

Well casing assembly with erosion protection for inner screen

UNITED STATES FILTER CORP168 citations97
US5979551ANov 9, 1999

Well screen with floating mounting

UNITED STATES FILTER CORP120 citations96
US5766488AJun 16, 1998

Method and apparatus for water treatment

UNITED STATES FILTER CORP62 citations93

JOHNSON FILTRATION SYSTEMS

2 patents
US5118419AJun 2, 1992

Slotted scallop-shaped underdrain screened lateral elements

JOHNSON FILTRATION SYSTEMS55 citations94
US5015383AMay 14, 1991

Slotted screen scallops for high loading pressures and method of making same

JOHNSON FILTRATION SYSTEMS38 citations90

WEATHERFORD LAMB

1 patent
US6698595B2Mar 2, 2004

Screen material

WEATHERFORD LAMB81 citations95

WHEELABRATOR WATER TECHNOLOGIE

1 patent
US5618426AApr 8, 1997

Lateral member assembly for underdrain lateral system

WHEELABRATOR WATER TECHNOLOGIE36 citations85

ROBINSON LES

1 patent
US9173011B2Oct 27, 2015

Satellite-based low power resource meter reading systems and methods

ROBINSON LES11 citations73

WHEELABRATOR ENG SYST

1 patent
US5514284AMay 7, 1996

Method and apparatus for water treatment

WHEELABRATOR ENG SYST15 citations70

CPC ENG CORP

1 patent
US4994190AFeb 19, 1991

Serial crossflow filtration assembly

CPC ENG CORP2 citations62

INFORMATIONAL DATA TECH LLC

1 patent
US10260902B2Apr 16, 2019

Satellite-based low power resource meter reading systems and methods

INFORMATIONAL DATA TECH LLC0 citations38