Hydrodynamic Industrial Company Limited

Calculating rank

USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 28

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5 inventors (with patents filed for the assignee):

Joseph Lin (2 out of 20 patents)

Sik-Sheung Choi (2 out of 2 patents)

Matthew Edward White (1 out of 4 patents)

4. Pat Yin Mah (1 out of 14 patents)

5. Alexander Joseph Kalogroulis (1 out of 23 patents)

3 patents: Sort by Forward Citations

1. 8366502 - Inflatable device with electronic devices (2013-02-05),

2. 7988512 - Inflatable device with electronic devices (2011-08-02),

3. 7636975 - Pool vacuum (2009-12-29),

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USPTO Data Jan 1 1976 - Nov 3 2026

3 Patents

#938 in Hong Kong

#8,400 in China

Hong Kong, China

Hydrodynamic Industrial Company Limited

Forward Citations = 28

5 inventors:

Joseph Lin (2 out of 20 patents)

Sik-Sheung Choi (2 out of 2 patents)

Matthew Edward White (1 out of 4 patents)

4. Pat Yin Mah (1 out of 14 patents)

5. Alexander Joseph Kalogroulis (1 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydrodynamic Industrial Company Limited. Retrieved from https://idiyas.com/company/hydrodynamic-industrial-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]