KL

Keith A. Ludwig

Air Products And Chemicals: 9 patents #222 of 1,997Top 15%
📍 Emmaus, PA: #66 of 365 inventorsTop 20%
🗺 Pennsylvania: #9,221 of 74,527 inventorsTop 15%
Overall (All Time): #577,080 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8808425 Process and apparatus for producing hydrogen and carbon monoxide Eugene S. Genkin, Hoanh Nang Pham, Xiaoguang Zhang 2014-08-19
6576043 Recovery of nitrogen and light hydrocarbons from polyalkene purge gas Daniel Patrick Zwilling, Timothy Christopher Golden, Edward Landis Weist, Jr. 2003-06-10
5810910 Adsorbents for ozone recovery from gas mixtures Charles G. Coe, James Edward MacDougall, Arne Baumgartl 1998-09-22
5305610 Process and apparatus for producing nitrogen and oxygen Douglas L. Bennett, Robert F. Weimer 1994-04-26
RE34038 Separating argon/oxygen mixtures using a structured packing Douglas L. Bennett, George S. Witmer, Charles M. Woods 1992-08-25
5122174 Boiling process and a heat exchanger for use in the process Swaminathan Sunder, Douglas L. Bennett, Donn Michael Herron, Edwin C. Rogusky 1992-06-16
4836836 Separating argon/oxygen mixtures using a structured packing Douglas L. Bennett, George S. Witmer, Charles M. Woods 1989-06-06
4813988 Suitable distillation column packing for the cryogenic separation of air Douglas L. Bennett, Andrew J. Patrylak, John S. Zabrenski 1989-03-21
4700771 Multi-zone boiling process and apparatus Douglas L. Bennett, Alexander Schwarz 1987-10-20