4. Electricity: motive power systems
  5. Field or secondary circuit control
  6. Plural, diverse or diversely connected or controlled field...

Ward L. Bivens

Inventor

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

Details

Inventor

active

Brush wear indicator

Communications: electrical – Systems – Call station
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Compound D.C. electrical motor with shunt field demagnetization

Electricity: motive power systems – Field or secondary circuit control – Plural – diverse or diversely connected or controlled field...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Delayed turn-on and turn-off control circuit

Electricity: motive power systems – Automatic and/or with time-delay means – Time or with time-delay means
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Leak detection method and apparatus for an exhaust purification

Power plants – Internal combustion engine with treatment or handling of... – Methods
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

Ward L. Bivens does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-801389

  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