Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9415493 | Tension device for straining a threaded bolt | Frank Hohmann | 2016-08-16 |
| 9381632 | Tensioning device for extending a threaded bolt, and tool suitable for this purpose, preferably drive adapter | Frank Hohmann | 2016-07-05 |
| 9364946 | Lifting and transporting device | Frank Hohmann | 2016-06-14 |
| 8911192 | Segmented nut for screw connections | Frank Hohmann | 2014-12-16 |
| 8616094 | Method for tensioning screw bolts, as well as screw bolt and screw bolt tensioning device for carrying out the method | Frank Hohmann | 2013-12-31 |
| 8443831 | Safety device for a high-pressure connector of a hydraulic device | Frank Hohmann | 2013-05-21 |
| 8398351 | Segmented nut for screw connections | Frank Hohmann | 2013-03-19 |
| 8302509 | Hydraulic bolt tensioning device and method for tightening large bolts by means of a hydraulic bolt tensioning device | Frank Hohmann | 2012-11-06 |
| 8297903 | Segmented nut for screw connections | Frank Hohmann | 2012-10-30 |
| 8056426 | Method and device for controlling a hydraulically operated power wrench | Frank Hohmann | 2011-11-15 |
| 8033000 | Method for effecting a screwed connection | Frank Hohmann | 2011-10-11 |
| 7704055 | Switching device for a hydraulic high-pressure system | Frank Hohmann | 2010-04-27 |
| 7661336 | Hydraulic screw tightening or tensioning device | Frank Hohmann | 2010-02-16 |
| 7513178 | Hydraulic screw tightening or tensioning device | Frank Hohmann | 2009-04-07 |
| 7469592 | Hydraulic threaded bolt clamping device and method for tightening large screws by means of said hydraulic threaded bolt clamping device | Frank Hohmann | 2008-12-30 |
| 7338240 | Double nut for the controlled fixing of a component by means of a belt connection | Frank Hohmann | 2008-03-04 |
| 7062998 | Hydraulic threaded bolt tightening device and method of use thereof | Frank Hohmann | 2006-06-20 |
| 6435564 | High pressure conduit connector | Frank Hohmann | 2002-08-20 |
| 6161629 | Power wrench | Frank Hohmann | 2000-12-19 |
| 6131302 | Device for measuring the extension of a threaded bolt or screw | Frank Hohmann | 2000-10-17 |
| 5803436 | Hydraulic tensioning device for threaded bolt | Frank Hohmann | 1998-09-08 |
| 5682025 | Load alternation loading device | Frank Hohmann | 1997-10-28 |