Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ralf Schaefer — 15 Patents

TLThomson Licensing: 10 patents #243 of 2,575Top 10%
Philips: 2 patents #2,426 of 7,731Top 35%
Sony: 1 patents #17,321 of 25,231Top 70%
Acigné, FR: #3 of 39 inventorsTop 8%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Ralf Schaefer has been granted 15 US patents while listed as an inventor at Thomson Licensing. The first was granted in 2004 and the most recent in July 2016. Ralf Schaefer ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Ralf Schaefer in Acigné, FR.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9386344 Method of transmitting digital services over a network and device implementing the method Yves Maetz 2016-07-05
9192936 Method and device for crushing and drying moisture-containing material, especially wood 2015-11-24
8015588 Method of managing auxiliary programs and a corresponding receiver and system Mary-Luc Champel 2011-09-06
7971224 Interactive television reception and transmitting processes and associated devices Yves Maetz 2011-06-28
7895619 Method for controlling display of audio-visual programmes, and receiver for displaying same Mary-Luc Champel 2011-02-22 $56,000
7774800 Applications manager with variable management instruction set Philippe Letellier, Eric Diehl, Pierre Houeix 2010-08-10 $54,000
7770187 Applications manager with variable management instruction set Philippe Letellier, Eric Diehl, Pierre Houeix 2010-08-03 $33,000
7656982 DSP-based data recovery Klaus Gaedke, Friedrich Timmermann, Axel Kochale, Herbert Schutze, Marten Kabutz 2010-02-02 $308,000
7627762 Signing and authentication devices and processes and corresponding products, notably for DVB/MPEG MHP digital streams Alain Durand, Laurent Lesenne, Frederic Pasquier 2009-12-01 $480,000
7576576 Switchable PLL circuit Michael Drexler 2009-08-18 $311,000
D566714 Cartridge for camera Wolfgang Metje 2008-04-15
7293101 Method for determining access time of repeatedly broadcast objects Rudolf Bittner, Markus Zumkeller 2007-11-06 $1,184,000
7279658 Device for cleaning the gas nozzle of a welding torch 2007-10-09
7183712 Lamp for a vehicle headlight with low-beam function Klaus Schoeller, Colette Knight, Lukas Kuepper 2007-02-27 $1,410,000
6798138 Halogen incandescent lamp for motor vehicles Rolf Gervelmeyer, Heinz Schloemer, Leo Wings, Franz-Josef Brueckmann 2004-09-28 $574,000