4. Tool driving or impacting
  5. Impacting devices
  6. Selective axial direction of impact

Harry P. Laffkas

Inventor

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

Details

Inventor

active

Impact borer for embedding lines, anchoring cables and sinking w

Boring or penetrating the earth – Below-ground impact members – Fluid-operated
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Impact borer for embedding lines, anchoring cables, and sinking

Tool driving or impacting – Impacting devices – Selective axial direction of impact
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Impact borer, connector for embedding lines, anchoring cables, a

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method for embedding lines, anchoring cables, and sinking wells

Boring or penetrating the earth – Boring without earth removal – Drive point detached from shaft to form cased bore or with...
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

Harry P. Laffkas does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-1160547

  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