Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7338381 | Spider and universal joint arrangement | Peter Grawenhof, Holger Wegmann | 2008-03-04 |
| 7191711 | Shafting especially a cardan shaft and homokinetic bogie drive system for rail vehicles | — | 2007-03-20 |
| 6923726 | Articulated yoke, method for the production of a supporting surface enabling an even distribution and bearing arrangement | Peter Grawenhof | 2005-08-02 |
| 6734406 | Method for improving the mechanical properties of journal crosses by induction heating | Andreas Asch | 2004-05-11 |
| 6722787 | Thrust ring and method for producing a thrust ring, bearing system for bolts of universal joints and cardan joint arrangement | Hans Rosle, Peter Grawenhof | 2004-04-20 |
| 6716105 | Thrust ring and method for producing a thrust ring, bearing system for bolts of universal joints and cardan joint arrangement | Hans Rosle, Peter Grawenhof | 2004-04-06 |
| 6540617 | Flange yoke for a universal joint and a universally jointed shaft | Hans Rosle, Peter Grawenhof | 2003-04-01 |
| 6319131 | Articulated arrangement for articulated shafts suitable for transmitting torque | — | 2001-11-20 |
| 6223859 | Lubricant feeding system for shaft and hub profile assemblies with axial longitudinal displacement capacity | — | 2001-05-01 |
| 6170627 | Safety clutch | — | 2001-01-09 |
| 6148981 | Drive system for the transmission of power from a power source to a plurality of output trains | — | 2000-11-21 |
| 6056644 | Split flange driver for a cardan joint | — | 2000-05-02 |
| 5989125 | Universal joint apparatus for a cardan shaft | — | 1999-11-23 |
| 5855051 | Method for manufacturing a split flange driver for a cardan joint | — | 1999-01-05 |
| 5746659 | Flange driver for a cardan shaft | — | 1998-05-05 |
| 5713693 | Shaft-hub joint for transmission of torque between two equiaxial machine parts | — | 1998-02-03 |
| 5667331 | Shaft-hub joint for transmission of torque between two equiaxial machine parts | — | 1997-09-16 |
| 5547423 | Universal joint of a cardan shaft suited for transmission of high torques | Peter Grawenhof | 1996-08-20 |
| 4946422 | Universal joint for a drive shaft | Reinhard Bretzger | 1990-08-07 |
| 4895549 | Universal joint for a highly stressed cardan shaft | — | 1990-01-23 |
| 4859106 | Device for connecting two coaxial components fixedly in terms of rotation | Ernst Elsner, Stewart D. Jelfs | 1989-08-22 |
| 4834692 | Universal joint for use with shafting | Peter Babik | 1989-05-30 |
| 4822204 | Flange coupling | — | 1989-04-18 |
| 4752275 | Coupling with a hub for transmitting a torque onto a shaft | Peter Babik | 1988-06-21 |
| 4705490 | Hooke's-type joint for a universal shaft | — | 1987-11-10 |