Inventor · disambiguated record
Chang Liu
Also filed as: LIU CHANG · Liu chang chen
8 granted patents·20 citations·filing 2016–2023
81Inventor score
Top patents by PatentIndex Score
8 records- 0196US11162917B2Device for improving gas detection in photoionization detectorHONEYWELL INT INC·Filed 2020·Granted Nov 2, 2021·5 cites·10 claims
- 0289US11408557B2Strap holding device for attachment to structural member for holding an objectSIM DESIGN LTD·Filed 2020·Granted Aug 9, 2022·4 cites·17 claims
- 0381US11965855B2Device for improving gas detection in photoionization detectorHONEYWELL INT INC·Filed 2023·Granted Apr 23, 2024·0 cites·18 claims
- 0476US11604163B2Device for improving gas detection in photoionization detectorHONEYWELL INT INC·Filed 2021·Granted Mar 14, 2023·0 cites·18 claims
- 0571USD993793SPortable detectorHONEYWELL INT INC·Filed 2021·Granted Aug 1, 2023·4 cites·1 claims
- 0657USD939984SPortable detectorHONEYWELL INT INC·Filed 2019·Granted Jan 4, 2022·6 cites·1 claims
- 0734USD986048SBottle strapSIM DESIGN LTD·Filed 2019·Granted May 16, 2023·1 cites·1 claims
- 0831US9696278B2Portable rapid detection device for heavy metal ions and methods of useNANJING UNIVERSITY OF TECHNOLOGY·Filed 2016·Granted Jul 4, 2017·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →