LandOfFree - US Patents - Listing for Rotary expansible chamber devices

Rotary expansible chamber devices – Interengaging rotating members – Like rotary members

Vacuum exhausting apparatus

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Non-working fluid directed to groove

Vacuum producing rotary vane pump with shaft lubrication

Rotary expansible chamber devices – With plural working fluid inlet or outlet passages

Vacuum pump

Rotary expansible chamber devices – Non-metallic working member – cylinder or partition

Vacuum pump

Rotary expansible chamber devices – Non-metallic working member – cylinder or partition

Vacuum pump

Rotary expansible chamber devices – With mechanical sealing – Seal element between stationary cylinder parts

Vacuum pump

Rotary expansible chamber devices – Non-metallic working member – cylinder or partition

Vacuum pump

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone

Vacuum pump

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – With condition responsive control of non-working fluid

Vacuum pump and method of operating the same

Rotary expansible chamber devices – With mechanical sealing

Vacuum pump apparatus and shaft sealing device therefor

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing

Vacuum pump cooling system, and a method of making it

Rotary expansible chamber devices – Miscellaneous

Vacuum pump for a vehicle with multiple one-way valves

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Vent or non-seal means prevents working and non-working...

Vacuum pump having an evacuated gear chamber

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Vacuum pump having rotation body cleaning unit with spraying...

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Non-working fluid passage in inner working or reacting member

Vacuum pump oil distribution system with integral oil pump

Rotary expansible chamber devices – Multistage – Sliding vane

Vacuum pump oiling

Rotary expansible chamber devices – Interengaging rotating members – Like rotary members

Vacuum pump rotor and method of manufacturing the same

Rotary expansible chamber devices – Multistage – Interengaging rotary members

Vacuum pump systems

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – With pump for non-working fluid

Vacuum pump with a lubricant pump