Calgary
Canada
12
2015-12-17
The entities that hold a legal rights for patent applications filed by inventor Patterson Curtis:
Curtis Patterson from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Shroud for rotary engine
#2 | 2015-09-17Segmented Positive Displacement Rotor Housing
#3 | 2014-09-18Dual axis rotor
#4 | 2014-08-07Indexed positive displacement rotary motion device
#5 | 2013-10-22Multiphase pump with high compression ratio
#6 | 2013-08-08Positive displacement expander
#7 | 2012-11-15Spherical involute gear coupling
#8 | 2012-10-25Rotors formed using involute curves
#9 | 2011-12-22Shroud for rotary engine
#10 | 2011-06-09Hydrodynamic bore seal
#11 | 2011-03-17Constant velocity coupling
#12 | 2010-03-25Indexed positive displacement rotary motion device
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