4. Motors: expansible chamber type
  5. With motive fluid valve
  6. Pilot valve

Robert K. Hoffman

Inventor

Rate now
  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Inventor

active

Automatic drain valve for a compressed air system

Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Automatic drain valve for a compressed air system

Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Pilot operated poppet valve with speed control

Fluid handling – Systems – Supply and exhaust
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Pneumatic control valve and circuit

Motors: expansible chamber type – With motive fluid valve – Pilot valve
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Three position selector valve

Fluid handling – Systems – Valves with separate – correlated – actuators
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Robert K. Hoffman does not yet have a rating. At this time, there are no reviews or comments for this inventor.

If you have personal experience with Robert K. Hoffman, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Robert K. Hoffman will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-395610

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.

Canada

 Charities
 Companies
 MP Candidates
 Patents
 Employee Salary Disclosure

World

 Places of the World
 Scientific Papers

United States

 Banks
 Companies
 Counties
 Patents
 Employee Salary Disclosure