Inventor · disambiguated record
Tsun-Zong Wu
Also filed as: WU TSUN Z · WU TSUN-ZONG
35 granted patents·5 pending applications·659 citations·filing 1982–2022
98Inventor score
Top patents by PatentIndex Score
40 records- 0196US6371686B1Central shaft for collapsible umbrellaFiled 2000·Granted Apr 16, 2002·91 cites·3 claims
- 0285US6588439B2Wind-protecting skeleton for folding umbrellaFiled 2001·Granted Jul 8, 2003·31 cites·4 claims
- 0383US7204261B1Lower nest structure of collapsible umbrellaWU TSUN-ZONG·Filed 2005·Granted Apr 17, 2007·13 cites·3 claims
- 0480US9844250B1Anti-turning umbrella frameWU TSUN-ZONG·Filed 2017·Granted Dec 19, 2017·7 cites·10 claims
- 0577US9115826B2Cable fastener with cable management functionWU TSUN-ZONG·Filed 2013·Granted Aug 25, 2015·5 cites·10 claims
- 0677US6126293AIlluminating umbrella having reliable connecting wires for multiple foldsFiled 1999·Granted Oct 3, 2000·68 cites·20 claims
- 0774US7509965B2Ventilated umbrellaWU TSUN-ZONG·Filed 2006·Granted Mar 31, 2009·5 cites·3 claims
- 0869US6192907B1Ergonomic safety runner for umbrellaFiled 1999·Granted Feb 27, 2001·45 cites·2 claims
- 0969US6158451ALamp means detachably securable on umbrella topFiled 1999·Granted Dec 12, 2000·43 cites·16 claims
- 1066US8225805B2Protective member for automatic open close umbrella with anti-springing effectWU TSUN-ZONG·Filed 2010·Granted Jul 24, 2012·5 cites·10 claims
- 1165US5842494AStructure of umbrella's upper notch and ferruleFiled 1997·Granted Dec 1, 1998·23 cites·2 claims
- 1263US7011100B2Skeleton for ear-shaped umbrellaWU TSUN-ZONG·Filed 2003·Granted Mar 14, 2006·5 cites·12 claims
- 1363US6910491B2Golf umbrella case suitable for positioning in a golf bagFiled 2003·Granted Jun 28, 2005·5 cites·3 claims
- 1460US7328714B2Tangle-free umbrella grip adapted for hanging to a closed itemWU TSUN-ZONG·Filed 2004·Granted Feb 12, 2008·1 cites·4 claims
- 1560US5224505AAutomatic umbrella with upwardly and downwardly thrusted push buttonFU TAI UMBRELLA WORKS LTD·Filed 1992·Granted Jul 6, 1993·30 cites·6 claims
- 1659US2006144432A1Easily openable and collapsible folding umbrella having further reduced collapsed volumeWU TSUN-ZONG·Filed 2004·Application pending·0 cites
- 1758US5121764AUmbrella having reinforced top ribFU TAI UMBRELLA WORKS LTD·Filed 1991·Granted Jun 16, 1992·27 cites·4 claims
- 1858US4838290ASlimly-folded umbrella having extendible brim portionWU TSUN ZONG·Filed 1988·Granted Jun 13, 1989·23 cites·7 claims
- 1957US2005229960A1Umbrella handle adapted for hanging to a closed itemWU TSUN-ZONG·Filed 2004·Application pending·0 cites
- 2056US4986294AAutomatic umbrella having smoothly-operating springsWU TSUN ZONG·Filed 1990·Granted Jan 22, 1991·27 cites·5 claims
- 2155US4941494ALightly-operating automatic umbrella for preventing false operationWU TSUN ZONG·Filed 1989·Granted Jul 17, 1990·20 cites·9 claims
- 2254US4989625AStably-retained automatic umbrellaWU TSUN ZONG·Filed 1990·Granted Feb 5, 1991·24 cites·5 claims
- 2353US5385162AUmbrella having automatically closed water collectorFiled 1993·Granted Jan 31, 1995·21 cites·10 claims
- 2453US4627455AUmbrella rib linkage systemTOTES INC·Filed 1984·Granted Dec 9, 1986·15 cites·28 claims
- 2553US2003218876A1Ferrule for illuminating umbrellaFiled 2002·Application pending·0 cites
- 2652US4420007AComponent framework structure for the frame of a foldable umbrellaWU TSUN Z·Filed 1982·Granted Dec 13, 1983·15 cites·8 claims
- 2752US2003178050A1Wind-stable umbrellaFiled 2002·Application pending·0 cites
- 2852US2015068568A1Opening spring for multiple fold automatic open-close unbrellaWU TSUN-ZONG·Filed 2013·Application pending·0 cites
- 2951US4936332ASimply-constructed automatic umbrella for preventing false operationWU TSUN ZONG·Filed 1989·Granted Jun 26, 1990·17 cites·4 claims
- 3046US11930899B2Tip assembly of umbrellaWU CHYI FONG·Filed 2022·Granted Mar 19, 2024·0 cites·4 claims
- 3146US5515878ASimplified umbrella without externally-extended spring positioning meansFiled 1995·Granted May 14, 1996·14 cites·8 claims
- 3245US5855220AFlattened folding umbrellaFiled 1997·Granted Jan 5, 1999·13 cites·2 claims
- 3345US4418707ALocking device of an automatic opening umbrellaWU TSUN Z·Filed 1982·Granted Dec 6, 1983·10 cites·8 claims
- 3444US11857041B2Special-shaped folding umbrellaWU CHYI FONG·Filed 2022·Granted Jan 2, 2024·0 cites·9 claims
- 3543US5758678AStabilized umbrella top structureFiled 1997·Granted Jun 2, 1998·11 cites·1 claims
- 3643US4934395AShort fold rib linkage for an umbrellaTOTES INC·Filed 1988·Granted Jun 19, 1990·10 cites·9 claims
- 3742US5078165AAutomatic umbrella opened and closed by a straightforward push buttonFU TAI UMBRELLA WORKS LTD·Filed 1991·Granted Jan 7, 1992·11 cites·6 claims
- 3841US5060684AAutomatic umbrella foldably retained by tip capWU TSUN ZONG·Filed 1990·Granted Oct 29, 1991·11 cites·5 claims
- 3940US4422467ACoupling structure of the upper notch and ferrule on an umbrella or parasolWU TSUN Z·Filed 1982·Granted Dec 27, 1983·7 cites·5 claims
- 4032US5125426AAutomatically closing umbrellaWU TSUN ZONG·Filed 1991·Granted Jun 30, 1992·6 cites·1 claims
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