4. Wells
  5. Valves, closures or changeable restrictors
  6. Fluid operated

William J. Nicholl

Inventor

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

Details

Inventor

active

Electric motor actuated stop and self-closing check valve

Valves and valve actuation – Lost motion between actuator and valve – Check valve with external opening and closing means
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electric motor actuated stop and self-closing check valve

Valves and valve actuation – Lost motion between actuator and valve – Check valve with external opening and closing means
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Pressure regulating and relief valve assembly

Wells – Valves – closures or changeable restrictors – Fluid operated
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

William J. Nicholl does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-1661855

  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