Inventor · disambiguated record
Elmer Chi Hang Cheng
Also filed as: CHENG ELMER · CHENG ELMER CHI HANG
7 granted patents·13 citations·filing 2015–2020
78Inventor score
Top patents by PatentIndex Score
7 records- 0185US11363862B2Illuminated trekking poleBELGRAVIA WOOD LTD·Filed 2020·Granted Jun 21, 2022·3 cites·28 claims
- 0285US10327576B2Illumination system for an artificial treePOLYGROUP MACAU LTD BVI·Filed 2017·Granted Jun 25, 2019·5 cites·14 claims
- 0372US10709278B2Illumination system for an artificial treePOLYGROUP MACAU LTD BVI·Filed 2019·Granted Jul 14, 2020·1 cites·20 claims
- 0468US10113361B2Safety mechanical barrier and system for above-ground pool laddersPOLYGROUP MACAU LTD BVI·Filed 2015·Granted Oct 30, 2018·3 cites·14 claims
- 0560US10415310B2Safety mechanical barrier and system for above-ground pool laddersPOLYGROUP MACAU LTD BVI·Filed 2018·Granted Sep 17, 2019·1 cites·11 claims
- 0654US10743697B2Universal tree stand systems and methodsPOLYGROUP MACAU LTD (BVI)·Filed 2018·Granted Aug 18, 2020·0 cites·19 claims
- 0749US10143322B2Universal tree stand systems and methodsPOLYGROUP MACAU LTD BVI·Filed 2017·Granted Dec 4, 2018·0 cites·7 claims
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