Inventor
Jurgen Wurr
Inventor
Ennigerloh, DE
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F27Bprimary
F27BFurnaces, kilns, ovens or retorts in general50%
C04BLime, magnesia17%
F16CShafts8%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace8%
B02CCrushing, pulverising, or disintegrating in general4%
F26BDrying solid materials or objects by removing liquid therefrom4%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
4,808,108'Method and apparatus for the heat treatment of fine-grained material'19894,720,262'Apparatus for the heat treatment of fine material'19884,592,724'Grate cooler and method of cooling'19864,447,966'Rotary drum'19844,206,836'Drive for rotary kilns, mills and the like'19804,193,759'Rotary kiln with a plurality of planetary cooling tubes'19804,118,176'Heat treatment for fine-grained materials'19784,060,375'Methods and apparatus for the heat treatment of fine-grained materials'19774,045,161'Rotary kiln having a planetary row of cooler tubes'19774,008,995'Rotary kiln construction'19773,994,677'Rotary kiln with planetary coolers'19763,953,087'Bearing ring mounting for rotary drum'19763,940,236'Methods and apparatus for the heat treatment of fine-grained materials'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1980Patents assigned to POLYSIUS AG (9)· patent assignee history
1976–1989Based in Ennigerloh, DE· patent location history
1977Based in Enniger, DE· patent location history
1984–1989Patents assigned to KRUPP POLYSIUS AG (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POLYSIUS AG | 9 | 1976–1980 |
| KRUPP POLYSIUS AG | 4 | 1984–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ennigerloh, DE | 12 | 1976–1989 |
| Enniger, DE | 1 | 1977 |