4. Electricity: power supply or regulation systems
  5. Output level responsive
  6. Phase controlled switching using electronic tube or a three...

Robert L. Crevling, Jr.

Inventor

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

Details

Inventor

active

Air flow responsive outlet from tank of vacuum cleaner

Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Assembly of tank lid and fan means of a wet/dry vacuum

Pumps – Motor driven – Electric or magnetic motor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Backpack cleaner

Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.
Design Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Canister vacuum

Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Element or attachment
Design Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Canister vacuum

Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Element or attachment
Design 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 L. Crevling, Jr. 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 L. Crevling, Jr., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Robert L. Crevling, Jr. will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-133841

  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