Worldwide Patents - also see WHAT comes with the Patents

Method and system for methane separation and purification from a biogas    https://patents.google.com/patent/US8568512B2/en

Extra value for IP lawyers -well documented possible high potential infringement settlement case, recover Big Dollars - Patent could pay for itself tenfold!

System and method for converting biomass material into energy products https://patents.google.com/patent/US9879193B2/en?oq=US9879193B2

System and Method  to increase landfill gas quality for beneficial use

https://patents.google.com/patent/US20180038227A1/en?oq=US15669706

Method and system for methane separation and purification from a biogas    https://patents.google.com/patent/US8568512B2/en

Method and system for methane separation and purification from a biogas    https://patents.google.com/patent/EP2701824A4/en 

Method and system for methane separation and purification from a biogas https://patents.google.com/patent/AU2011366910B2/en

Method and system for methane separation and purification from a biogas https://patents.google.com/patent/RU2558881C2/en  

Method and system for methane separation and purification from a biogas https://patents.google.com/patent/KR101886900B1/en

Method and system for methane separation and purification from a biogas https://patents.google.com/patent/CN103561844B

Method and system for methane separation and purification from a biogas See Intellectual Property India Website for granted patent.

Method and system for methane separation and purification from a biogas  https://patents.google.com/patent/BR112013027793B1/en