Inventor · disambiguated record
Christopher John Evans
Also filed as: EVANS CHRISTOPHER · EVANS CHRISTOPHER A · EVANS CHRISTOPHER JOHN
20 granted patents·6 pending applications·334 citations·filing 2002–2024
94Inventor score
Top patents by PatentIndex Score
26 records- 0196US7880334B2Power supply control for power generatorCERES IP CO LTD·Filed 2007·Granted Feb 1, 2011·244 cites·36 claims
- 0292US12249344B1Extended audio watermarksAMAZON TECH INC·Filed 2022·Granted Mar 11, 2025·5 cites·20 claims
- 0391US11887602B1Audio-based device locationingAMAZON TECH INC·Filed 2021·Granted Jan 30, 2024·7 cites·20 claims
- 0487US8645373B2Computer implemented method for automatically generating recommendations for digital media contentKNIGHT MARK·Filed 2010·Granted Feb 4, 2014·26 cites·23 claims
- 0587US8510847B2Method of providing digital rights management for music content by means of a flat-rate subscriptionKNIGHT MARK STEPHEN·Filed 2007·Granted Aug 13, 2013·12 cites·23 claims
- 0678US6940281B2Gradient coil apparatus and method of assembly thereofGE MED SYS GLOBAL TECH CO LLC·Filed 2004·Granted Sep 6, 2005·25 cites·21 claims
- 0776US9992322B2Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceOMNIFONE LTD·Filed 2017·Granted Jun 5, 2018·1 cites·82 claims
- 0876US9294430B2Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceOMNIFONE LTD·Filed 2013·Granted Mar 22, 2016·2 cites·30 claims
- 0975US9065792B2Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceOMNIFONE LTD·Filed 2013·Granted Jun 23, 2015·2 cites·23 claims
- 1074US12041196B2Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceTIKTOK PTE LTD·Filed 2020·Granted Jul 16, 2024·0 cites·30 claims
- 1173US12058284B2Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceTIKTOK PTE LTD·Filed 2020·Granted Aug 6, 2024·0 cites·30 claims
- 1273US12010258B2Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceTIKTOK PTE LTD·Filed 2020·Granted Jun 11, 2024·0 cites·30 claims
- 1373US11431835B2Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceTIKTOK PTE LTD·Filed 2020·Granted Aug 30, 2022·0 cites·30 claims
- 1471US10887443B2Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceTIKTOK PTE LTD·Filed 2018·Granted Jan 5, 2021·0 cites·30 claims
- 1563US7230426B2Split-shield gradient coil with improved fringe-fieldGEN ELECTRIC·Filed 2003·Granted Jun 12, 2007·10 cites·21 claims
- 1663US2024364805A1Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceTIKTOK PTE LTD·Filed 2024·Application pending·0 cites
- 1759US9732982B2Boiler unitDEVRIENDT JAMES·Filed 2009·Granted Aug 15, 2017·0 cites·21 claims
- 1856US9648132B2Method of enabling digital music content to be downloaded to and used on a portable wireless computing deviceOMNIFONE LTD·Filed 2016·Granted May 9, 2017·0 cites·33 claims
- 1955US12354622B1Extended audio watermarksAMAZON TECH INC·Filed 2022·Granted Jul 8, 2025·0 cites·20 claims
- 2052US12494219B1Decoding audio watermarks using time shiftsAMAZON TECH INC·Filed 2022·Granted Dec 9, 2025·0 cites·18 claims
- 2149US10615439B2Fuel cell stack and steam reformer systems and methodsCERES IP CO LTD·Filed 2014·Granted Apr 7, 2020·0 cites·20 claims
- 2247US2013060841A1Method of synchronising digital media contentKNIGHT MARK·Filed 2010·Application pending·0 cites
- 2347US2011265185A1Method enabling a user to keep permanently their favourite media filesOMNIFONE LTD·Filed 2009·Application pending·0 cites
- 2438US2013055410A1Method of accessing digital media contentKNIGHT MARK·Filed 2011·Application pending·0 cites
- 2538US2004006621A1Content filtering for web browsingFiled 2002·Application pending·0 cites
- 2634US2012197897A1Method of defining a collection of digital media contentKNIGHT MARK·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →