Inventor · disambiguated record
Douglas Cohen
Also filed as: COHEN DOUGLAS · COHEN DOUGLAS J · COHEN DOUGLAS JAY
23 granted patents·4 pending applications·269 citations·filing 1998–2022
96Inventor score
Files withSNAP INC13OHIO CENTRAL STEEL COMPANY5KLURFELD PETER DANIEL3BEACON STREET INNOVATIONS LLC2COHEN DOUGLAS1
Top patents by PatentIndex Score
27 records- 0197US10327100B1System to track engagement of media itemsSNAP INC·Filed 2018·Granted Jun 18, 2019·29 cites·20 claims
- 0297US10165402B1System to track engagement of media itemsSNAP INC·Filed 2018·Granted Dec 25, 2018·30 cites·20 claims
- 0397US9681265B1System to track engagement of media itemsSNAP INC·Filed 2016·Granted Jun 13, 2017·52 cites·18 claims
- 0495US11445326B2Track engagement of media itemsSNAP INC·Filed 2020·Granted Sep 13, 2022·4 cites·17 claims
- 0592US11574559B2Refreshable tactile displayBEACON STREET INNOVATIONS LLC·Filed 2021·Granted Feb 7, 2023·3 cites·20 claims
- 0692US11335207B2Refreshable Braille displayBEACON STREET INNOVATIONS LLC·Filed 2018·Granted May 17, 2022·9 cites·21 claims
- 0792US10219110B2System to track engagement of media itemsSNAP INC·Filed 2017·Granted Feb 26, 2019·7 cites·17 claims
- 0890US10506371B2System to track engagement of media itemsSNAP INC·Filed 2019·Granted Dec 10, 2019·4 cites·20 claims
- 0989US11628263B2Tri-state compact modular inhaler, vaporizerKLURFELD PETER DANIEL·Filed 2020·Granted Apr 18, 2023·3 cites·9 claims
- 1089US6698594B2Screening machineOHIO CENTRAL STEEL COMPANY·Filed 2002·Granted Mar 2, 2004·41 cites·11 claims
- 1188US10785597B2System to track engagement of media itemsSNAP INC·Filed 2020·Granted Sep 22, 2020·2 cites·20 claims
- 1287US11170393B1System to calculate an engagement score of location based media contentSNAP INC·Filed 2017·Granted Nov 9, 2021·8 cites·12 claims
- 1387US9186681B2Apparatus for sizing and separating particulate materialSCREEN MACHINE IND INC·Filed 2012·Granted Nov 17, 2015·8 cites·24 claims
- 1484US10735892B2System to track engagement of media itemsSNAP INC·Filed 2019·Granted Aug 4, 2020·2 cites·20 claims
- 1577US10835693B2Compact modular inhaler, vaporizer for wearable multifunctional watchKLURFELD PETER DANIEL·Filed 2018·Granted Nov 17, 2020·4 cites·17 claims
- 1677US2022394421A1Track engagement of media itemsSNAP INC·Filed 2022·Application pending·0 cites
- 1776US11023496B1Generating clusters based on messaging system activitySNAP INC·Filed 2018·Granted Jun 1, 2021·3 cites·20 claims
- 1867US7121487B2Screening apparatus with hammermillOHIO CENTRAL STEEL COMPANY·Filed 2003·Granted Oct 17, 2006·8 cites·10 claims
- 1966US7229041B2Lifting lid crusherOHIO CENTRAL STEEL COMPANY·Filed 2004·Granted Jun 12, 2007·13 cites·13 claims
- 2063US6000553AMultiple screen systemOHIO CENTRAL STEEL COMPANY·Filed 1998·Granted Dec 14, 1999·23 cites·9 claims
- 2160US6401933B1Displaceable eccentric for vibratory screenOHIO CENTRAL STEEL COMPANY AN·Filed 2000·Granted Jun 11, 2002·10 cites·13 claims
- 2256US2022027931A1System to calculate engagement score of location based media contentSNAP INC·Filed 2021·Application pending·0 cites
- 2355US2014229278A1System and process for targeted mobile advertising based on wireless service and associated shopping behaviorTRACFONE WIRELESS INC·Filed 2013·Application pending·0 cites
- 2454US6669026B2Portable screening plant with displaceable eccentricOHIO CENTRAL STEEL COMPANY·Filed 2002·Granted Dec 30, 2003·6 cites·12 claims
- 2552US12222966B2Generating clusters based on messaging system activitySNAP INC·Filed 2021·Granted Feb 11, 2025·0 cites·18 claims
- 2649US12048802B1Compact modular wearable multifunctional inhaler vaporizer watch adapted for diverse cartridge configurations and detection of airborne pathogensKLURFELD PETER DANIEL·Filed 2020·Granted Jul 30, 2024·0 cites·2 claims
- 2743US2014024424A1Multi-Stage High-Low Card Game System and MethodCOHEN DOUGLAS·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →