Inventor
Manfred Ruhle
Inventor
Ditzingen, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia23%
C22CAlloys23%
A61LMethods or apparatus for sterilising materials or objects in general8%
B02CCrushing, pulverising, or disintegrating in general8%
B22FWorking metallic powder8%
F16CShafts8%
G12BConstructional details of instruments, or comparable details of other apparatus, not otherwise provided for8%
H01HElectric switches8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
5,705,126'Friction bearing alloy'19985,178,686'Lightweight cast material'19934,900,492'High-strength and temperature-stable formed bodies of zirconium dioxide'19904,706,894'Process of producing a mechanically alloyed composite powder'1987RE032449'Ceramic body of zirconium dioxide (ZrO.sub.2) and method for its preparation'19874,525,464'Ceramic body of zirconium dioxide (ZrO.sub.2) and method for its preparation'19854,013,425'Thermometric bimetallic structure of high strength at high temperature'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1993Patents assigned to METALLGESELLSCHAFT AG (3)· patent assignee history
1977Based in Offenbach, DE· patent location history
1985–1990Patents assigned to MAX PLANCK GESELLSCHAFT (2)· patent assignee history
1985–1998Based in Ditzingen, DE· patent location history
1987–1993Based in Obertshausen, DE· patent location history
1998Patents assigned to ELEKTRO THERMIT GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| METALLGESELLSCHAFT AG | 3 | 1977–1993 |
| MAX PLANCK GESELLSCHAFT | 2 | 1985–1990 |
| ELEKTRO THERMIT GMBH | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ditzingen, DE | 4 | 1985–1998 |
| Obertshausen, DE | 2 | 1987–1993 |
| Offenbach, DE | 1 | 1977 |