ZZ

Zhengfeng Zhang

EC Eagle Outdoor Camping Products Co.: 5 patents #1 of 10Top 10%
EG Evonik Röhm Gmbh: 2 patents #125 of 440Top 30%
DA Degussa Ag: 1 patents #925 of 2,007Top 50%
PI Pari Gmbh Spezialisten Für Effektive Inhalation: 1 patents #24 of 47Top 55%
TA Th. Goldschmidt. Ag: 1 patents #107 of 198Top 55%
Overall (All Time): #404,377 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12071725 Juncao pulp for spinning and preparation method and use thereof Yueting Xie, Changjin Shao, Faquan Yao, Shanjing Xing, Junjiang Xiao +2 more 2024-08-27
D984354 Roof tent frame 2023-04-25
D984355 Roof tent frame 2023-04-25
D979001 Roof tent frame Yuhua He, Shuaiguang Deng, Huifen Wu 2023-02-21
D972061 Tent Shuaiguang Deng, Huifen Wu 2022-12-06
D964498 Tent Shuaiguang Deng, Huifen Wu 2022-09-20
9290431 Process for preparation of highly pure, non-yellowing methacrylic acid Gerhard Koelbl, Lorenza Sartorelli, Horst Hiltner, Huisheng Wang, Mirko Michel 2016-03-22
8277700 Process for preparing a photochromic polymeric composition, thus obtained polymeric composition and use thereof Wentian Lan 2012-10-02
7713581 Method of impregnating a carrier a matrix with solid and/or liquid compounds using compressed gases, and materials thus impregnated Jurgen Heidlas, Kurt Stork, Johann Wiesmuller, Martin Ober, Johann Obersteiner 2010-05-11
6228346 Propellant mixtures and aerosols for micronizing medicaments with compressed gas Martin Knoch 2001-05-08
5837831 Method for separating alkyl glycosides Burghard Gruning, Siegfried Peter, Eckhard Weidner 1998-11-17
5646258 Method of synthesizing alkyl glucosides Burghard Gruning, Siegfried Peter, Manfred Recksik, Eckhard Weidner 1997-07-08