# Status Description
1995040645 Ceased Pressure swing adsorption process for fractionating a multi-component mixture
1992014711 Ceased Hydrocracking process
2010202359 Lapsed Soil beds
1999059323 Lapsed Pressure and temperature swing adsorption and temperature swing adsorption
2002027685 Ceased Graded catalyst bed for split-feed hydrocracking/hydrotreating
2007217119 Ceased Enzyme detection
1986056217 Ceased Improved pressure absorption process and apparatus
1986058131 Ceased Solid adsorbent heat pump system
1994074450 Ceased Pressure swing adsorption process for purifying a high pressure feed gas mixture with respect to its less strongly adsorbed component
2003254745 Granted Split-flow, vertical ammonia converter
1987081063 Ceased Dual bed heat pump
1987081394 Ceased Improved process for synthesizing ammonia
2012223487 Filed Apparatus and systems having compact configuration multiple swing adsorption beds and methods related thereto
2013266250 Filed Oxidative coupling of methane systems and methods
2013381789 Filed Passive mattress management system
2014323640 Filed Sludge drying beds
1987075579 Ceased Ammonia synthesis converter
1989028922 Ceased Improvements in method and apparatus for calcination
1998073247 Ceased Purification of a liquid stream
2000037840 Lapsed A combined process for improved hydrotreating of diesel fuels