Inventor · disambiguated record
Mark A. Christensen
Also filed as: CHRISTENSEN MARK A · CHRISTENSEN MARK ANDREW
91 granted patents·17 pending applications·3,331 citations·filing 1997–2025
99Inventor score
Files withKAHN PHILIPPE RICHARD27BARD INC C R18WOLFE TORY MEDICAL INC11KAHN PHILIPPE8CHRISTENSEN MARK A7
Top patents by PatentIndex Score
108 records- 0198US11766213B1Sleep monitoring based compliance and effectiveness tracking engineKAHN PHILIPPE RICHARD·Filed 2020·Granted Sep 26, 2023·15 cites·20 claims
- 0298US10493262B2Blood control for a catheter insertion deviceBARD INC C R·Filed 2017·Granted Dec 3, 2019·55 cites·37 claims
- 0398US9594354B1Smart watch extended systemKAHN PHILIPPE RICHARD·Filed 2015·Granted Mar 14, 2017·94 cites·20 claims
- 0498US9448536B1Self-winding mechanical watch with activity trackingDP TECH INC·Filed 2015·Granted Sep 20, 2016·31 cites·12 claims
- 0598US8949070B1Human activity monitoring device with activity identificationKAHN PHILIPPE RICHARD·Filed 2008·Granted Feb 3, 2015·93 cites·23 claims
- 0698US8932258B2Catheter placement device and methodBLANCHARD DANIEL B·Filed 2011·Granted Jan 13, 2015·107 cites·13 claims
- 0798US8712723B1Human activity monitoring deviceKAHN PHILIPPE·Filed 2011·Granted Apr 29, 2014·41 cites·19 claims
- 0898US8187182B2Sensor fusion for activity identificationKAHN PHILIPPE·Filed 2008·Granted May 29, 2012·85 cites·38 claims
- 0998US7881902B1Human activity monitoring deviceDP TECHNOLOGIES INC·Filed 2010·Granted Feb 1, 2011·193 cites·11 claims
- 1098US7653508B1Human activity monitoring deviceDP TECHNOLOGIES INC·Filed 2006·Granted Jan 26, 2010·243 cites·20 claims
- 1198US7637893B2Valved sheath introducer for venous cannulationBARD INC C R·Filed 2005·Granted Dec 29, 2009·136 cites·22 claims
- 1297US8998852B2Catheter placement device and methodBARD INC C R·Filed 2013·Granted Apr 7, 2015·75 cites·9 claims
- 1397US8177772B2Catheter connection systemsCHRISTENSEN MARK A·Filed 2006·Granted May 15, 2012·124 cites·10 claims
- 1497US7647196B2Human activity monitoring device with distance calculationDP TECHNOLOGIES INC·Filed 2007·Granted Jan 12, 2010·190 cites·31 claims
- 1595US11452916B1Monitoring exercise surface systemKAHN PHILIPPE RICHARD·Filed 2020·Granted Sep 27, 2022·7 cites·20 claims
- 1695US11253079B1Multi-zone adjustable bed with smart adjustment mechanismKAHN PHILIPPE RICHARD·Filed 2019·Granted Feb 22, 2022·12 cites·24 claims
- 1795US10426931B2Catheter placement device and methodBARD INC C R·Filed 2014·Granted Oct 1, 2019·41 cites·13 claims
- 1895US8320578B2HeadsetKAHN PHILIPPE·Filed 2008·Granted Nov 27, 2012·84 cites·22 claims
- 1995US7987070B2Eyewear having human activity monitoring deviceDP TECHNOLOGIES INC·Filed 2008·Granted Jul 26, 2011·72 cites·26 claims
- 2095US7753861B1Chest strap having human activity monitoring deviceDP TECHNOLOGIES INC·Filed 2007·Granted Jul 13, 2010·192 cites·20 claims
- 2194US11382534B1Sleep detection and analysis systemKAHN PHILIPPE RICHARD·Filed 2019·Granted Jul 12, 2022·12 cites·14 claims
- 2294US10945659B1Dual sleep monitorKAHN PHILIPPE RICHARD·Filed 2016·Granted Mar 16, 2021·26 cites·19 claims
- 2394US8720065B2Valved sheath introducer for venous cannulationCHRISTENSEN MARK A·Filed 2012·Granted May 13, 2014·18 cites·8 claims
- 2494US7800044B1High ambient motion environment detection eliminate accidental activation of a deviceDP TECHNOLOGIES INC·Filed 2007·Granted Sep 21, 2010·39 cites·27 claims
- 2594US7457719B1Rotational insensitivity using gravity-based adjustmentFULLPOWER TECHNOLOGIES INC·Filed 2006·Granted Nov 25, 2008·57 cites·43 claims
- 2693US10004875B2Stylet apparatuses and methods of manufactureBARD INC C R·Filed 2014·Granted Jun 26, 2018·33 cites·19 claims
- 2793US9797920B2Program setting adjustments based on activity identificationKAHN PHILIPPE RICHARD·Filed 2015·Granted Oct 24, 2017·16 cites·20 claims
- 2892US8996332B2Program setting adjustments based on activity identificationKAHN PHILIPPE RICHARD·Filed 2009·Granted Mar 31, 2015·31 cites·8 claims
- 2992US8784336B2Stylet apparatuses and methods of manufactureBOWN MATTHEW W·Filed 2006·Granted Jul 22, 2014·67 cites·19 claims
- 3092US8560218B1Method and apparatus to correct for erroneous global positioning system dataKAHN PHILIPPE·Filed 2008·Granted Oct 15, 2013·35 cites·19 claims
- 3192US8235971B2Catheter connection systemsCHRISTENSEN MARK A·Filed 2010·Granted Aug 7, 2012·32 cites·8 claims
- 3292US7726328B2Medical valve and method to monitor intra-abdominal pressureWOLFE TORY MEDICAL INC·Filed 2009·Granted Jun 1, 2010·25 cites·7 claims
- 3391US10424183B1Smart seating systemKAHN PHILIPPE RICHARD·Filed 2018·Granted Sep 24, 2019·14 cites·20 claims
- 3491US10261475B1Smart watch extended systemDP TECH INC·Filed 2017·Granted Apr 16, 2019·14 cites·20 claims
- 3591US9922186B1Wearable device for improved safetyKAHN PHILIPPE RICHARD·Filed 2016·Granted Mar 20, 2018·8 cites·20 claims
- 3690US7892181B2Apparatus for monitoring intra-abdominal pressureAbViser Medical LLC·Filed 2005·Granted Feb 22, 2011·91 cites·22 claims
- 3789US11793455B1Hardware sensor system for controlling sleep environmentKAHN PHILIPPE RICHARD·Filed 2019·Granted Oct 24, 2023·6 cites·20 claims
- 3889US8814839B2Corporeal drainage systemBARD INC C R·Filed 2012·Granted Aug 26, 2014·13 cites·20 claims
- 3989US8337475B2Corporeal drainage systemCHRISTENSEN MARK A·Filed 2005·Granted Dec 25, 2012·39 cites·17 claims
- 4088US10946123B2Corporeal drainage systemMERIT MEDICAL SYSTEMS INC·Filed 2018·Granted Mar 16, 2021·4 cites·15 claims
- 4187US11040176B2Catheter placement device including an extensible needle safety componentBARD INC C R·Filed 2016·Granted Jun 22, 2021·6 cites·39 claims
- 4287US9295764B2Corporeal drainage systemBARD INC C R·Filed 2014·Granted Mar 29, 2016·10 cites·6 claims
- 4387US2025381384A1Blood Control for a Catheter Insertion DeviceBARD INC C R·Filed 2025·Application pending·0 cites
- 4486US9529437B2Method and apparatus for a motion state aware deviceKAHN PHILIPPE·Filed 2009·Granted Dec 27, 2016·16 cites·21 claims
- 4586US8876738B1Human activity monitoring deviceKAHN PHILIPPE·Filed 2010·Granted Nov 4, 2014·22 cites·20 claims
- 4686US8251384B1Axle and suspensionCHRISTENSEN MARK A·Filed 2009·Granted Aug 28, 2012·23 cites·23 claims
- 4785US8568310B2Sensor fusion for activity identificationKAHN PHILIPPE·Filed 2012·Granted Oct 29, 2013·8 cites·22 claims
- 4885US7788059B1Rotational insensitivity using gravity-based adjustmentsDP TECHNOLOGIES INC·Filed 2008·Granted Aug 31, 2010·30 cites·31 claims
- 4984US7644722B2Medical valve and method to monitor intra-abdominal pressureWOLFE TORY MEDICAL INC·Filed 2005·Granted Jan 12, 2010·34 cites·13 claims
- 5083US12343137B1Hardware sensor system for controlling sleep environmentDP TECH INC·Filed 2023·Granted Jul 1, 2025·0 cites·20 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Mark A. Christensen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →