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For the Inventor, By the Inventor

Beijing, China

Sailsors Instruments Ltd., Beijing


USPTO Granted Patents = 1

% Expired Patents = 100.0

Forward Citations = 2

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2 inventors (with patents filed for the assignee):

goldMedal Yanfeng Li (1 out of 32 patents)

silverMedal Hongya Li (1 out of 1 patent)


1 patent:

1. 8146435 - Differential pressure gauge (2012-04-03),
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USPTO Data Jan 1 1976 - Oct 6 2026

1 Patents

#1,308 in Beijing

#18,650 in China

Beijing, CN
Beijing, China

Sailsors Instruments Ltd., Beijing

Forward Citations = 2

2 inventors:

goldMedal Yanfeng Li (1 out of 32 patents)

silverMedal Hongya Li (1 out of 1 patent)

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