Inventor · disambiguated record
Lawrence Chun-Hei Chu
Also filed as: CHU JR LAWRENCE CHUN-HEI · CHU LAWRENCE CHUN HEI
28 granted patents·633 citations·filing 2009–2016
97Inventor score
Top patents by PatentIndex Score
28 records- 0198US10092155B2Surface cleaning apparatusBISSELL HOMECARE INC·Filed 2016·Granted Oct 9, 2018·94 cites·20 claims
- 0296USD743123SBody of a hand-held vacuum cleanerBISSELL HOMECARE INC·Filed 2015·Granted Nov 10, 2015·76 cites·1 claims
- 0392USD781014SSurface cleaner baseBISSELL HOMECARE INC·Filed 2015·Granted Mar 7, 2017·52 cites·1 claims
- 0491USD779751SVacuum cleaner baseBISSELL HOMECARE INC·Filed 2015·Granted Feb 21, 2017·43 cites·1 claims
- 0586USD632037SCanister body for vacuum cleanerBISSELL HOMECARE INC·Filed 2010·Granted Feb 1, 2011·36 cites·1 claims
- 0684USD806331SHand-held vacuum cleanerBISSELL HOMECARE INC·Filed 2016·Granted Dec 26, 2017·25 cites·1 claims
- 0784US8074969B2Reconfigurable gateLEE MELODY·Filed 2009·Granted Dec 13, 2011·12 cites·20 claims
- 0884USD644384SWand for a vacuum cleanerBISSELL HOMECARE INC·Filed 2010·Granted Aug 30, 2011·32 cites·1 claims
- 0983USD791421SSurface cleaner upright portionBISSELL HOMECARE INC·Filed 2015·Granted Jul 4, 2017·26 cites·1 claims
- 1083USD646030SCyclone module for vacuum cleanerBISSELL HOMECARE INC·Filed 2010·Granted Sep 27, 2011·30 cites·1 claims
- 1182USD698510SFloor cleaner footBISSELL HOMECARE INC·Filed 2013·Granted Jan 28, 2014·30 cites·1 claims
- 1281USD770109SVacuum cleaner footBISSELL HOMECARE INC·Filed 2014·Granted Oct 25, 2016·25 cites·1 claims
- 1379USD630803SExpandable pet gateMERRY PRODUCTS CORP·Filed 2009·Granted Jan 11, 2011·24 cites·1 claims
- 1476USD646031SVacuum cleaner canisterBISSELL HOMECARE INC·Filed 2010·Granted Sep 27, 2011·21 cites·1 claims
- 1571USD648496SHandheld vacuum cleanerBISSELL HOMECARE INC·Filed 2010·Granted Nov 8, 2011·19 cites·1 claims
- 1666USD648083SHandheld vacuumBISSELL HOMECARE INC·Filed 2010·Granted Nov 1, 2011·15 cites·1 claims
- 1755USD693977SFloor cleaner handle gripBISSELL HOMECARE INC·Filed 2013·Granted Nov 19, 2013·9 cites·1 claims
- 1855USD688431SFoot for a steam cleanerLUEDKE ADAM·Filed 2012·Granted Aug 20, 2013·9 cites·1 claims
- 1954USD693976SFloor cleaner upright portionBISSELL HOMECARE INC·Filed 2013·Granted Nov 19, 2013·8 cites·1 claims
- 2053USD690062SBody of a steam cleanerLUEDKE ADAM·Filed 2012·Granted Sep 17, 2013·8 cites·1 claims
- 2150USD708407SFloor cleaner canisterBISSELL HOMECARE INC·Filed 2013·Granted Jul 1, 2014·7 cites·1 claims
- 2248USD700760SFloor cleaner accessory toolBISSELL HOMECARE INC·Filed 2013·Granted Mar 4, 2014·7 cites·1 claims
- 2345USD740507SFloor cleaner accessory toolBISSELL HOMECARE INC·Filed 2014·Granted Oct 6, 2015·5 cites·1 claims
- 2445USD700759SFloor cleaner baseBISSELL HOMECARE INC·Filed 2013·Granted Mar 4, 2014·6 cites·1 claims
- 2543USD667184SPortion of a vacuum cleanerCHU LAWRENCE CHUN-HEI·Filed 2011·Granted Sep 11, 2012·6 cites·1 claims
- 2638USD647262SBody for a stick vacuumBISSEL HOMECARE INC·Filed 2010·Granted Oct 18, 2011·4 cites·1 claims
- 2738USD642346SFoot for a stick vacuumBISSELL HOMECARE INC·Filed 2010·Granted Jul 26, 2011·3 cites·1 claims
- 2833USD646032SCanister for a vacuum cleanerBISSELL HOMECARE INC·Filed 2010·Granted Sep 27, 2011·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →