Inventor
Ralf Schafer
Inventor
Aachen, DE
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating20%
G08GTraffic control systems13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
G01CMeasuring distances, levels or bearings11%
H01JElectric discharge tubes or discharge lamps10%
B05BSpraying apparatus7%
B41FPrinting machines or presses3%
F04BPositive-displacement machines for liquids3%
A46BBrushes2%
B05CApparatus for applying fluent materials to surfaces, in general2%
PatentTitleYear
10,697,443Exhaust air conduit for a coating agent pump202010,024,676Method of processing positioning data20189,956,577Coating system having a cooling device20189,952,057Method of processing positioning data20189,870,705'System and method for providing alert notifications to a vehicle occupant'20189,829,332Method and machine for generating map data and a method and navigation device for determining a route using map data20179,685,076'Generating segment data'20179,662,673'Coating agent pump'20179,620,007'Method of generating expected average speeds of travel'20179,452,451'Cleaning device and cleaning brush for an atomizer and corresponding cleaning method'20169,297,664'Method of processing positioning data'20168,958,983'Method of processing positioning data'20157,818,072'Press control system and press simulator'20105,742,114'Lamp envelope with a metal clamping member and a fixation member'19985,736,811'Capped high-pressure discharge lamp'19985,654,608'Capped electric lamp'19975,117,340'Lighting device'19925,113,085'Circuit arrangement for supplying a load'19925,039,916'Operating circuit for a high-pressure discharge lamp'19915,025,197'Circuit arrangement for A.C. operation of high-pressure gas discharge lamps'19915,014,618'Sensor based inking control for a printing press'19914,994,716'Circuit arrangement for starting and operating gas discharge lamps'19914,891,563'Circuit arrangement for adjusting the operating voltage of high-pressure gas discharge lamps'19904,888,524'Circuit for operating gas discharge lamps with a periodically alternating lamp current'19894,839,560'Heatable electrode for high-pressure gas discharge lamps'19894,816,721'Circuit arrangement for operating a high-pressure gas discharge lamp'19894,812,736'Circuit arrangement for operating high-pressure gas discharge lamps'19894,795,943'High-pressure sodium vapor discharge lamp'19894,748,381'Circuit arrangement for A.C. operation of gas discharge lamps'19884,714,862'Circuit arrangement for igniting and operating gas discharge lamps'19874,644,216'High-pressure discharge lamp'19874,594,531'Circuit arrangement for operating high-pressure gas discharge lamps'19864,539,513'Circuit arrangement for starting and operating a high-pressure gas discharge lamp'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1998Patents assigned to PHILIPS CORP (16)· patent assignee history
1985–1998Based in Aachen, DE· patent location history
1989–1991Based in Eindhoven, NL· patent location history
2010Based in Augsburg, DE· patent location history
2015–2018Patents assigned to MIETH PETER (7)· patent assignee history
2015–2018Patents assigned to RUTTEN BEN (5)· patent assignee history
2015–2017Patents assigned to SCHÄFER RALF-PETER (5)· patent assignee history
2015–2018Based in Berlin, DE· patent location history
2016–2020Based in Ludwigsburg, DE· patent location history
2017–2018Patents assigned to TOMTOM TRAFFIC BV (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 16 | 1985–1998 |
| MIETH PETER | 7 | 2015–2018 |
| RUTTEN BEN | 5 | 2015–2018 |
| SCHÄFER RALF-PETERself | 5 | 2015–2017 |
| TOMTOM TRAFFIC BV | 5 | 2017–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aachen, DE | 16 | 1985–1998 |
| Berlin, DE | 8 | 2015–2018 |
| Ludwigsburg, DE | 4 | 2016–2020 |
| Eindhoven, NL | 2 | 1989–1991 |
| Augsburg, DE | 1 | 2010 |