Inventor
Gerhard Exner
Inventor
Berlin, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Pprimary
B23PMetal-working not otherwise provided for21%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure21%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding14%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges14%
E21BEarth or rock drilling7%
F01DNon-positive displacement machines or engines, e.g. steam turbines7%
F16CShafts7%
F16LPipes7%
PatentTitleYear
4,551,063'Medium-pressure steam turbine'19854,273,011'Device for turning the nuts on studs for closing a pressure vessel'19814,207,784'Device for turning a nut means on a screw bolt'19804,185,504'Apparatus for measuring the pre-tension of a threaded bolt'19804,185,505'Apparatus for measuring the pre-tension of a threaded bolt'19804,185,506'Apparatus for measuring the pre-tension of a threaded bolt'19804,175,453'Device for tensioning several screw bolts'19793,993,368'Tool joint wear protectors'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to CHRISTENSEN DIAMOND PROD CO (1)· patent assignee history
1976Based in Celle, DE· patent location history
1979–1985Patents assigned to KRAFTWERK UNION AG (7)· patent assignee history
1979–1985Based in Berlin, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KRAFTWERK UNION AG | 7 | 1979–1985 |
| CHRISTENSEN DIAMOND PROD CO | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Berlin, DE | 7 | 1979–1985 |
| Celle, DE | 1 | 1976 |