4. Fluid handling
  5. Self-proportioning or correlating systems
  6. Supply and exhaust type

Rand H. Ackroyd

Inventor

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

Details

Inventor

active

Anti-siphon frost-proof water hydrant

Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Anti-siphon frost-proof water hydrant

Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Backflow preventer

Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Backflow preventer and test cock assembly

Fluid handling – Processes – Involving pressure control
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Ball valve lock plate

Valves and valve actuation – With means for blocking or disabling actuator – Released by non-valving actuator motion
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

Rand H. Ackroyd does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-6882

  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