Friedrich; Helmut
Patent Applications and Registrations
Patent applications and USPTO patent grants for Friedrich; Helmut.The latest application filed is for "safety contact strip".
- Friedrich; Helmut - Lippstadt DE
- Friedrich; Helmut - Dieburg DE
- Friedrich; Helmut - Stuhr DT
- Friedrich; Helmut - Bremen DT
| Patent | Date |
|---|---|
| Safety contact strip Grant 11,078,707 - Friedrich , et al. August 3, 2 | 2021-08-03 |
| Safety Contact Strip App 20210123284 - FRIEDRICH; HELMUT ; et al. | 2021-04-29 |
| Method for determining the concentration of an ingredient in a body of ceramic or glassy material Grant 10,908,097 - Friedrich February 2, 2 | 2021-02-02 |
| Safety Contact Strip App 20200149337 - FRIEDRICH; HELMUT ; et al. | 2020-05-14 |
| Method For Determining The Concentration Of An Ingredient In A Body Of Ceramic Or Glassy Material App 20190162678 - FRIEDRICH; Helmut | 2019-05-30 |
| Safety contact mat Grant 6,888,081 - Friedrich , et al. May 3, 2 | 2005-05-03 |
| Safety contact mat App 20040154908 - Friedrich, Helmut ; et al. | 2004-08-12 |
| Safety contact strip Grant 6,740,826 - Friedrich , et al. May 25, 2 | 2004-05-25 |
| Process and apparatus for the production of a cylindrical component of glass Grant 6,715,317 - Brauer , et al. April 6, 2 | 2004-04-06 |
| Method of operating a turbine Grant 4,092,824 - Friedrich June 6, 1 | 1978-06-06 |
| Apparatus for starting aircraft engines and for operating auxiliary on-board power generating equipment Grant 3,965,673 - Friedrich June 29, 1 | 1976-06-29 |
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