Assignee
SIGMA TECH INC
US·3 granted patents·2 pending applications·32 citations·filing 2000–2019
Top patents by PatentIndex Score
5 records- 0180US10632506B2Cleaning method and cleaning device using micro/nano-bubblesSIGMA TECH INC·Filed 2015·Granted Apr 28, 2020·3 cites·8 claims
- 0274US10293309B2Method, a bubble generating nozzle, and an apparatus for generating micro-nano bubblesSIGMA TECH INC·Filed 2013·Granted May 21, 2019·5 cites·21 claims
- 0370US6220080B1Extended range and ultra precision non contact dimensional gauge for ultra thin wafers and work piecesSIGMA TECH INC·Filed 2000·Granted Apr 24, 2001·24 cites·18 claims
- 0453US2020238654A9Cleaning device using micro/nano-bubblesSIGMA TECH INC·Filed 2019·Application pending·0 cites
- 0532US2021138410A1Microbubble generation device and microbubble generation method, and shower apparatus and oil-water separation apparatus having said microbubble generation deviceSIGMA TECH INC·Filed 2017·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →