Patent application 13795177 (US), filed 2013-03-12
Publication number: US20130200635A1
Title: METHODS AND SYSTEMS FOR POWER GENERATION BY CHANGING DENSITY OF A FLUID
CPC codes: F03B  17/02
H02K   7/18
Y02P  60/12
A01G  33/00
H02K  35/02
H02K  35/04
Y02E  10/20
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
subject_matter_101
indefiniteness_112
Prior art cited: ref_id: 2942411
ref_type: patent
severity: obviousness
ref_id: 20090289227
ref_type: patent
severity: obviousness
ref_id: 20070271912
ref_type: patent
severity: obviousness
ref_id: 20030145589
ref_type: patent
severity: obviousness
ref_id: 20100139536
ref_type: patent
severity: obviousness
ref_id: 20110156407
ref_type: patent
severity: obviousness
ref_id: 20060064975
ref_type: patent
severity: obviousness
ref_id: 20090255181
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-15)