ROTOFLOW CORP innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	19
#2	WIPO (World Intellectual Property Organization)	4
#3	Germany	3
#4	France	2
#5	United Kingdom	2
#6	Japan	2
#7	Norway	2
#8	Canada	1
#9	Netherlands	1

#	Technology
#1	Steam turbines
#2	Non-positive-displacement pumps
#3	Shafts
#4	Steam engine plants
#5	Gas-turbine plants
#6	Unspecified technologies
#7	Measuring force, work and fluid pressure
#8	Special wind, spring and weight motors
#9	Pistons and sealings
#10	Refrigerators

Publication	Filing date	Title
US5545006A	1995-05-12	Multi-stage rotary fluid handling apparatus
US5564895A	1995-04-26	Active automatic clamping control
US5555745A	1995-04-05	Refrigeration system
JPH0849565A	1995-03-08	Uncontaminated energy dissipation device and optimizing method of turboexpander
US6310414B1	1994-06-21	Shaft bearing system
US5045711A	1989-08-21	Turboexpander-generator
US5002459A	1988-07-28	Surge control system
US4722663A	1986-02-04	Seal-off mechanism for rotating turbine shaft
US4695221A	1985-12-04	Turbine shutdown control system
US4606652A	1984-06-20	Shaft seal for turbomachinery
US4789300A	1983-06-16	Variable flow turbine expanders
NL8102987A	1981-06-21	Rotatable shaft mounting for thrust load measurement - has two thrust bearings and thrust rings adjacently disposed around shaft resiliently biassed to central position between bearings
DE3122810A1	1981-06-09	Shaft mounting device
CA1182625A	1981-05-22	Shaft mounting device and method
GB2098674A	1981-05-20	Shaft mounting device and method
US4390082A	1980-12-18	Reserve lubricant supply system
US4311004A	1979-10-26	Gas compression system and method
US4242040A	1979-03-21	Thrust adjusting means for nozzle clamp ring
US4273390A	1978-05-15	Bearing system with thrust compensation means
US3793633A	1971-04-12	Annunciator control system with acknowledgement