4. Boring or penetrating the earth
  5. Bit or bit element
  6. Rolling cutter bit or rolling cutter bit element

Duane E. Shotwell

Inventor

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

Details

Inventor

active

Earth boring bit with bearing sleeve

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Earth boring bit with labyrinth seal protector

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Earth boring bit with pin mounted compensator

Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft – With fluid pressure-actuated feed means
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

Duane E. Shotwell does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-972441

  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