YC

Yun-Feng Chang

EX ExxonMobil: 38 patents #200 of 10,161Top 2%
AG Abb Lummus Global: 5 patents #13 of 152Top 9%
Ford: 3 patents #4,965 of 17,473Top 30%
LT Lummus Technology: 1 patents #178 of 280Top 65%
📍 Plymouth, MI: #14 of 1,052 inventorsTop 2%
🗺 Michigan: #1,015 of 86,293 inventorsTop 2%
Overall (All Time): #61,107 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
7312369 Attrition resistant molecular sieve catalyst, method of making and process for using Stephen N. Vaughn, Kenneth R. Clem, Luc R. M. Martens, Alistair D. Westwood, Jeffery W. Sprinkle 2007-12-25
7301065 Molecular-sieve catalyst composition, its making and use in conversion processes Stephen N. Vaughn, Luc R. M. Martens, Kenneth R. Clem, Machteld M. Mertens, Albert E. Schweizer 2007-11-27
7273827 Molecular sieve catalyst composition, its production and use in conversion processes Stephen N. Vaughn, Luc R. M. Martens, Jeffrey Wayne Sprinkle, Ian Walker 2007-09-25
7271123 Molecular sieve catalyst composition, its making and use in conversion process Stephen N. Vaughn, Luc R. M. Martens, Kenneth R. Clem 2007-09-18
7241713 Molecular sieve catalyst composition, its making and use in conversion processes Stephen N. Vaughn, Kenneth R. Clem, Luc R. M. Martens, Weiguo Hu 2007-07-10
7223896 Fines co-feed for maintaining efficient reactor hydrodynamics Luc R. M. Martens, James R. Lattner, Rutton D. Patel, David C. Skouby, Stephen N. Vaughn +3 more 2007-05-29
7214844 Molecular sieve catalyst compositions, its making and use in conversion processes Stephen N. Vaughn, Luc R. M. Martens, Joseph E. Baumgartner, Stuart L. Soled, Kenneth R. Clem 2007-05-08
7160831 Molecular sieve catalyst composition, its making and use in conversion processes Stephen N. Vaughn, Luc R. M. Martens, Kenneth R. Clem, Machteld M. Mertens, Albert E. Schweizer 2007-01-09
7122500 Molecular sieve catalyst composition, its making and use in conversion processes Luc R. M. Martens, Stephen N. Vaughn 2006-10-17
7071136 Attrition resistant molecular sieve catalysts Stephen Vaughn, Luc Martens, Kenneth R. Clem 2006-07-04
7026267 Molecular sieve catalyst composition, its production and use in conversion processes Stephen N. Vaughn, Luc R. M. Martens, Jeffrey Wayne Sprinkle, Ian Walker 2006-04-11
6946107 Conversion of nitrogen oxides in the presence of a catalyst supported on a mesh-like structure Joakim A. Carlborg, Lawrence L. Murrell, Robert E. Trubac, Rudolf Overbeek, Verena Schmidt +2 more 2005-09-20
6872680 Molecular sieve catalyst composition, its making and use in conversion processes Stephen N. Vaughn, Luc R. M. Martens, Joseph E. Baumgartner, Stuart L. Soled, Kenneth R. Clem 2005-03-29
6809055 Zeolites and molecular sieves and the use thereof Rudolf Overbeek, Nelleke van der Puil, Chuen Y. Yeh, Lawrence L. Murrell, Philip J. Angevine +1 more 2004-10-26
6787501 Molecular sieve catalyst composition, its making and use in conversion processes Stephen N. Vaughn, Luc R. M. Martens, Kenneth R. Clem, Machteld M. Mertens, Albert E. Schweizer 2004-09-07
6710008 Method of making molecular sieve catalyst Stephen N. Vaughn, Jeffery W. Sprinkle, Fran A. Shipley, Kenneth R. Clem 2004-03-23
6534022 Conversion of nitrogen oxides in the presence of a catalyst supported on a mesh-like structure Joakim A. Carlborg, Lawrence L. Murrell, Robert E. Trubac, Rudolf Overbeek, Verena Schmidt +2 more 2003-03-18
6350429 Method for making molecular sieves and novel molecular sieve compositions Lawrence L. Murrell, Rudolf Overbeek, Nelleke van der Puil, Chuen Y. Yeh 2002-02-26
6004527 Method for making molecular sieves and novel molecular sieve compositions Lawrence L. Murrell, Rudolf Overbeek, Nelleke van der Puil, Chuen Y. Yeh 1999-12-21
4412013 Expandable urethane sealant compositions 1983-10-25
4386173 Hot melt corrosion resistant compositions containing epoxy resins 1983-05-31
4297448 Coating composition of aminoplast, hydroxy polymers and vinylic monomers Henk V. Oene, Elaine C. Beckwith 1981-10-27