Inventor
Roman Renz
Inventor
Berlin, DE
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches77%
H01FMagnets10%
B23KSoldering or unsoldering3%
H01JElectric discharge tubes or discharge lamps3%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
9,607,781'Tap changer and vacuum interrupter for a tap changer of this kind'20179,293,273'Tap changer with vacuum interrupters'20169,123,490'Vacuum switch tube'20158,947,188'Tap changer and vacuum interrupter for such a tap changer'20158,847,097'Vacuum interrupter'20147,334,319'Method for opening the contact gap of a vacuum interrupter'20087,250,584'Contact element comprising rounded slot edges'20077,041,929'Contact arrangement for a vacuum switch tube'20066,930,270'Connection area between housing parts of a vacuum interrupter, and a vacuum interrupter having a connection area of this type'20056,891,122'Vacuum switch tubes'20056,864,456'Vacuum interrupter chamber with ring-shaped insulator'20056,720,515'Vacuum interrupter with two contact systems'20046,674,039'Contact arrangement for a vacuum interrupter'20046,657,149'Vacuum interrupter with a vapor shield'20036,417,472'Vacuum switching chamber having an annular insulator'20026,046,422'Vacuum interrupter with a vapor shield associated with the insulator'20006,034,472'Vacuum tube having a getter apparatus'20005,661,281'Vacuum-type interrupter having an annular insulator'19975,313,030'Vacuum switch'19945,064,976'Contact configuration for a vacuum interrupter'19914,795,866'Vacuum tube switch which uses low temperature solder'19894,727,228'Contact arrangement for vacuum switches'19884,620,074'Contact arrangement for vacuum switches'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2017Patents assigned to SIEMENS AG (22)· patent assignee history
1986–2017Based in Berlin, DE· patent location history
2014–2017Patents assigned to RENZ ASTRID (5)· patent assignee history
2015–2017Patents assigned to HARTMANN WERNER (4)· patent assignee history
2015–2017Patents assigned to ALBRECHT WOLFGANG (3)· patent assignee history
2015–2017Patents assigned to HAMMER CHRISTIAN (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SIEMENS AG | 22 | 1986–2017 |
| RENZ ASTRID | 5 | 2014–2017 |
| HARTMANN WERNER | 4 | 2015–2017 |
| ALBRECHT WOLFGANG | 3 | 2015–2017 |
| HAMMER CHRISTIAN | 3 | 2015–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Berlin, DE | 23 | 1986–2017 |