Inventor · disambiguated record
Ching Ching Kelvin Poon
Also filed as: POON CHING C · POON CHING CHING KELVIN · PUN CHING W
13 granted patents·185 citations·filing 1975–2008
92Inventor score
Top patents by PatentIndex Score
13 records- 0182USD568020SSteam ironTUNBOW ELECTRICAL LTD·Filed 2007·Granted Apr 29, 2008·29 cites·1 claims
- 0280US4190702ABatteriesPOON CHING C·Filed 1978·Granted Feb 26, 1980·45 cites·7 claims
- 0376USD517857SFood steamerTUNBOW ELECTRICAL LTD·Filed 2004·Granted Mar 28, 2006·21 cites·1 claims
- 0469USD531372SSteam ironTUNBOW ELECTRICAL LTD·Filed 2005·Granted Oct 31, 2006·17 cites·1 claims
- 0568USD550915SSteam ironTUNBOW ELECTRICAL LTD·Filed 2006·Granted Sep 11, 2007·16 cites·1 claims
- 0663USD551413SSteam ironTUNBOW ELECTRICAL LTD·Filed 2006·Granted Sep 18, 2007·13 cites·1 claims
- 0762USD538990SSteam ironTUNBOW ELECTRICAL LTD·Filed 2005·Granted Mar 20, 2007·13 cites·1 claims
- 0857USD550916SSteam ironTUNBOW ELECTRICAL LTD·Filed 2006·Granted Sep 11, 2007·10 cites·1 claims
- 0951USD530873SSteam ironTUNBOW ELECTRICAL LTD·Filed 2005·Granted Oct 24, 2006·8 cites·1 claims
- 1047USD567461SSteam ironTUNBOW ELECTRICAL LTD·Filed 2007·Granted Apr 22, 2008·6 cites·1 claims
- 1144USD595019STravel ironTUNBOW ELECTRICAL LTD·Filed 2008·Granted Jun 23, 2009·5 cites·1 claims
- 1223US4027078ALeak-resistant dry cellsPUN CHING W·Filed 1975·Granted May 31, 1977·2 cites·7 claims
- 1321US4079173ALeak resistant dry cellsPUN CHING W·Filed 1977·Granted Mar 14, 1978·0 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Ching Ching Kelvin Poon files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →