Inventor · disambiguated record
Guomin Yan
Also filed as: YAN GUOMIN
6 granted patents·1 pending application·14 citations·filing 2016–2024
72Inventor score
Files withHANGZHOU KELONG ELECTRIC DEVICES CO LTD4UNIV CHINA PETROLEUM EAST CHINA2HANGZHOU KELONG ELECTRICAL APPLIANCE TOOLS CO LTD1
Top patents by PatentIndex Score
7 records- 0191US9605499B1Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Mar 28, 2017·12 cites·8 claims
- 0269US9631450B2Surface layer conductor running tool for deep-water well drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2016·Granted Apr 25, 2017·2 cites·8 claims
- 0367US12440950B2Intelligent identification apparatus and method for nail gun punch needleHANGZHOU KELONG ELECTRIC DEVICES CO LTD·Filed 2024·Granted Oct 14, 2025·0 cites·3 claims
- 0464US12502757B2Intelligent identification apparatus and method for nail gun punch needleHANGZHOU KELONG ELECTRIC DEVICES CO LTD·Filed 2023·Granted Dec 23, 2025·0 cites·5 claims
- 0539US11981006B2Nail gun punching needle clutch mechanismHANGZHOU KELONG ELECTRIC DEVICES CO LTD·Filed 2022·Granted May 14, 2024·0 cites·9 claims
- 0634USD1054530SSpray gunHANGZHOU KELONG ELECTRICAL APPLIANCE TOOLS CO LTD·Filed 2021·Granted Dec 17, 2024·0 cites·1 claims
- 0733US2023142066A1Nail gun provided with wide and narrow nail switching and nail blocking structureHANGZHOU KELONG ELECTRIC DEVICES CO LTD·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →