4. Pipe joints or couplings
  5. Swivel
  6. Pipe in socket type

Donald J. Klein

Inventor

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

Details

Inventor

active

Break away check valve

Fluid handling – Line condition change responsive valves – Direct response valves
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Fitting for flexible tubing

Pipe joints or couplings – Nonmetal to metal – Internal member
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Fixtures for trapping condensation

Fluid handling – With liquid valves or liquid trap seals – Liquid seal in liquid flow line; flow liquid forms seal
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method of forming a bell end on thermoplastic pipe

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Plural sequential shaping or molding steps on same workpiece
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Process and apparatus for treating oleaginous seed material

Food or edible material: processes – compositions – and products – Processes – Extraction utilizing liquid as extracting medium
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

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

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

Rate now

     

Profile ID: LFUS-PAI-P-688780

  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