Inventor
Rolf Wilhelm
Inventor
Calw, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material30%
H01JElectric discharge tubes or discharge lamps30%
H01PWaveguides20%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
H05HPlasma technique10%
PatentTitleYear
5,053,244'Process for depositing silicon oxide on a substrate'19914,939,424'Apparatus for producing a plasma and for the treatment of substrates'19904,897,285'Method and apparatus for PCVD internal coating a metallic pipe by means of a microwave plasma'19904,782,314'Fluid-tight coupling device for microwaves'19884,754,238'Microwave absorber using gaseous cooling fluid'19884,740,763'Microwave calorimeter'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1990Patents assigned to MAX PLANCK GESELLSCHAFT (4)· patent assignee history
1988–1991Based in Calw, DE· patent location history
1990–1991Patents assigned to LEYBOLD AG (2)· patent assignee history
1990Based in Munich, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAX PLANCK GESELLSCHAFT | 4 | 1988–1990 |
| LEYBOLD AG | 2 | 1990–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Calw, DE | 5 | 1988–1991 |
| Munich, DE | 1 | 1990 |