Assignee
CHANG SHIH CHIH
8 granted patents·366 citations·filing 1978–1990
Top patents by PatentIndex Score
8 records- 0194US4207180AGas-liquid reaction method and apparatusCHANG SHIH CHIH·Filed 1979·Granted Jun 10, 1980·78 cites·20 claims
- 0292US4842198ADevice for damage protection against local flooding caused by sprinkler failureCHANG SHIH CHIH·Filed 1987·Granted Jun 27, 1989·75 cites·2 claims
- 0389US4267052AAeration method and apparatusCHANG SHIH CHIH·Filed 1979·Granted May 12, 1981·58 cites·6 claims
- 0481US4745877ARotary sight flow indicatorCHANG SHIH CHIH·Filed 1987·Granted May 24, 1988·37 cites·3 claims
- 0581US4211733AGas-liquid mixing process and apparatusCHANG SHIH CHIH·Filed 1978·Granted Jul 8, 1980·38 cites·8 claims
- 0673US4867603ADevice for preventing flooding caused by sprinkler failureCHANG SHIH CHIH·Filed 1989·Granted Sep 19, 1989·32 cites·11 claims
- 0773US4793190ADevice for measuring and indicating flow around a bendCHANG SHIH CHIH·Filed 1987·Granted Dec 27, 1988·29 cites·11 claims
- 0855US5131622AMetering valve for water faucetCHANG SHIH CHIH·Filed 1990·Granted Jul 21, 1992·19 cites·6 claims
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