Inventor
Joachim Holz
Inventor
Dortmund, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Cprimary
E21CMining or quarrying25%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels25%
B26FPerforating13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,246,102'Closed belt conveyor arrangement'19934,564,241'Power supply arrangement for pulled mining machines'19864,555,142'Supply of liquid media for a hydraulic-mechanically operating mine working machine with sword'19854,367,902'Tool for hydromechanical or hydraulic mining or for cutting mineral or bituminous materials'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1986Patents assigned to MASCHF AUGSBURG NUERNBERG AG (3)· patent assignee history
1983–1993Based in Dortmund, DE· patent location history
1993Patents assigned to VRS ENG FOERDERTECH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MASCHF AUGSBURG NUERNBERG AG | 3 | 1983–1986 |
| VRS ENG FOERDERTECH | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dortmund, DE | 4 | 1983–1993 |