Inventor
Horst Buhl
Inventor
Erftstadt, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements29%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
C05BPhosphatic fertilisers7%
C23CCoating metallic material7%
F01LCyclically operating valves for machines or engines7%
F02BInternal-combustion piston engines7%
F17CVessels for containing or storing compressed, liquefied or solidified gases7%
G02BOptical elements, systems or apparatus7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
PatentTitleYear
5,158,752'Plant for producing ammonium polyphosphate'19925,147,625'Process for the preparation of phosphorous acid'19925,024,825'Process for the preparation of dicalcium phosphate'19914,811,701'Coated valve for internal combustion engine'19894,236,927'Method for the manufacture of iron-containing sintered electrodes'19804,110,425'Form retaining hydrogen-storing material'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to DEUTSCHE AUTOMOBILGESELLSCH (1)· patent assignee history
1978–1980Based in Weinstadt, DE· patent location history
1980–1989Patents assigned to DAIMLER BENZ AG (2)· patent assignee history
1989Based in Endersbach, DT· patent location history
1991–1992Patents assigned to HOECHST AG (3)· patent assignee history
1991–1992Based in Erftstadt, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 3 | 1991–1992 |
| DAIMLER BENZ AG | 2 | 1980–1989 |
| DEUTSCHE AUTOMOBILGESELLSCH | 1 | 1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| Erftstadt, DE | 3 | 1991–1992 |
| Weinstadt, DE | 2 | 1978–1980 |
| Endersbach, DT | 1 | 1989 |