Inventor
Siegfried Forner
Inventor
Erlangen, DE
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering14%
G21CNuclear reactors14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
Y10TTechnical subjects covered by former us classification10%
B08BCleaning in general5%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material5%
B23BTurning5%
B23CMilling5%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling5%
B24BMachines, devices, or processes for grinding or polishing5%
PatentTitleYear
4,905,546'Twist-proof mechanical connecting assembly'19904,698,474'Welding tongs for connecting two abutting pipe ends by arc welding'19874,689,863'Fixture for machining the cutting line of a pipe'19874,657,450'Machining tool for pipes'19874,639,351'Repair device for a reactor pressure vessel'19874,617,444'Burner for wig welding'19864,601,133'Manipulator head with grinding device for pipes or pipelines'19864,598,738'Tube closing device, especially for heat-exchanger tubes'19864,577,795'Device for overlay-welding pipes bends'19864,473,921'Cleaning device for the internal peripheral surfaces of pipelines or hollow cylindrical vessels, especially for manipulators for the interior of pipes'19844,460,920'Automatically traveling tube-interior manipulator for remotely controlled transportation of testing devices and tools along given feedpaths, preferably for nuclear reactor installations'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1987Patents assigned to KRAFTWERK UNION AG (10)· patent assignee history
1984–1990Based in Erlangen, DE· patent location history
1987Based in Herzogenaurach, DE· patent location history
1990Patents assigned to SIEMENS AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KRAFTWERK UNION AG | 10 | 1984–1987 |
| SIEMENS AG | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Erlangen, DE | 10 | 1984–1990 |
| Herzogenaurach, DE | 1 | 1987 |