4. Plastic and nonmetallic article shaping or treating: processes
  5. Forming structural installations in situ
  6. Sequentially molding in situ different portions or layers on...

Hochtief Ag Vorm. Gebr. Helfmann

Corporate Assignee

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

Details

Corporate Assignee

active

No affiliations

Bearing arrangement for a boring head of a tunneling machine

Bearings – Rotary bearing – Hydraulic or pneumatic bearing support
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Concrete for the lining of tunnel tubes

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method of lining tunneled tubes

Plastic and nonmetallic article shaping or treating: processes – Forming structural installations in situ – Arched – domed – or vertical-cylindrical structure
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Process and apparatus for continuously lining a tunnel with extr

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Process for continuously lining a tunnel with extruded concrete

Plastic and nonmetallic article shaping or treating: processes – Forming structural installations in situ – Sequentially molding in situ different portions or layers on...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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

Hochtief Ag Vorm. Gebr. Helfmann does not yet have a rating. At this time, there are no reviews or comments for this inventor.

If you have personal experience with Hochtief Ag Vorm. Gebr. Helfmann, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hochtief Ag Vorm. Gebr. Helfmann will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-886785

  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