Assembling devices for pivoting caps upwardly

This industry / category may be too specific. Please go to a parent level for more data

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Cap positioning mechanism
- Patent number 4,447,174
- Issue date May 8, 1984
- Gewerkschaft Eisenhutte Westfalia
- Kunibert Becker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic roof-support frame
- Patent number 4,266,892
- Issue date May 12, 1981
- Hermann Hemscheidt Maschinenfabrik GmbH & Co.
- Alfred Maykemper
- E21 - EARTH DRILLING MINING
Information Patent Grant
3732699
- Patent number 3,732,699
- Issue date May 15, 1973
- E21 - EARTH DRILLING MINING