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Inventor

HAN JOSEPH U

US14 patents
⚠️ This page may combine multiple inventors who share the name “HAN JOSEPH U”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VIRTUAL RAIN INC

4 patents
US6155493ADec 5, 2000

Closed-case impact sprinklers

VIRTUAL RAIN INC48 citations94
US6478237B2Nov 12, 2002

Enclosed pop-up sprinklers with shielded impact arms

VIRTUAL RAIN INC49 citations90
US6209801B1Apr 3, 2001

Closed-case impact sprinklers with fitted fluid seal assemblies

VIRTUAL RAIN INC17 citations90
US5992760ANov 30, 1999

Impact sprinkler unit

VIRTUAL RAIN INC53 citations90

ANTHONY MFG CORP

3 patents
US5299742AApr 5, 1994

Irrigation sprinkler nozzle

ANTHONY MFG CORP89 citations95
US4681259AJul 21, 1987

Rotary drive sprinkler

ANTHONY MFG CORP75 citations94
US5288023AFeb 22, 1994

Over-center biasing spring for part circle gear driven rotary irrigation sprinklers

ANTHONY MFG CORP15 citations73

FLUIDMASTER

3 patents
US6182306B1Feb 6, 2001

Side-mount toilet valve

FLUIDMASTER11 citations73
US6059261AMay 9, 2000

Universal connector

FLUIDMASTER12 citations73
US5769111AJun 23, 1998

Leak detector

FLUIDMASTER12 citations73

STREAMTECH INC

1 patent
US6837448B2Jan 4, 2005

Nozzle device for spraying defined areas

STREAMTECH INC23 citations88

ANTHONY MFG CORP IND DIV

1 patent
US5141157AAug 25, 1992

Vandal resistant locking device for pop-up sprinkler nozzle housings

ANTHONY MFG CORP IND DIV26 citations83

KEST ANTHONY M

1 patent
US5634874AJun 3, 1997

Portable upper anatomy exercise device

KEST ANTHONY M14 citations68

ANTHONY MFG CORPORATION

1 patent
USD319489SAug 27, 1991

Protective cap for pop-up lawn sprinklers

ANTHONY MFG CORPORATION10 citations63