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USPTO Patent Rankings Data through Dec 31, 2025
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David R. Fischell — 217 Patents

ASAblative Solutions: 52 patents #1 of 13Top 8%
ASAngel Medical Systems: 40 patents #1 of 12Top 9%
NENeuropace: 29 patents #4 of 48Top 9%
COCordis: 20 patents #10 of 577Top 2%
CACathco: 12 patents #3 of 4Top 75%
ISIsostent: 10 patents #2 of 13Top 20%
ENEneura: 6 patents #1 of 17Top 6%
SSSvelte Medical Systems: 6 patents #1 of 5Top 20%
AIArrow International Investment: 2 patents #10 of 31Top 35%
FIFischell Innovations: 2 patents #3 of 6Top 50%
American Telephone And Telegraph: 1 patents #132 of 699Top 20%
ARAmerican Regent: 1 patents #130 of 274Top 50%
BLBell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
ATAT&T: 1 patents #10,636 of 18,772Top 60%
NASA: 1 patents #1,837 of 3,881Top 50%
Fair Haven, NJ: #1 of 131 inventorsTop 1%
New Jersey: #45 of 69,400 inventorsTop 1%
Overall (All Time): #2,808 of 4,157,543Top 1%
217 Patents All Time
David R. Fischell has been granted 217 US patents while listed as an inventor at Ablative Solutions. The first was granted in 1981 and the most recent in December 2025. David R. Fischell ranks #2,808 of 4,157,543 US inventors in our database (top 0.07%). Patent records list David R. Fischell in Fair Haven, NJ, US.

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 14 patents in 2016.peak 141996: 2 patents19961997: 7 patents1998: 11 patents1999: 6 patents19992000: 9 patents2001: 7 patents2002: 10 patents20022003: 10 patents2004: 4 patents2005: 1 patents20052006: 5 patents2007: 4 patents2008: 1 patents20082009: 5 patents2010: 4 patents2011: 5 patents20112012: 12 patents2013: 9 patents2014: 12 patents20142015: 10 patents2016: 14 patents2017: 10 patents20172018: 6 patents2019: 8 patents2020: 4 patents20202021: 7 patents2022: 3 patents2023: 4 patents20232024: 8 patents2025: 8 patents2025

Issued Patents All Time

Showing 1–25 of 217 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12495981 Cardiac alerting system with power monitoring and management Michael Sasha John, David Keenan, Steve Johnson, Gregg Turi 2025-12-16
12476415 Dry-mate connector system for submersible electronics Erin Fischell, SAM FLADUNG 2025-11-18
12397135 Rapid exchange (monorail) guide wire system for rapid delivery of guide wire to a blood vessel Tim A. Fischell 2025-08-26
12350051 Apparatus for effective ablation and nerve sensing associated with denervation Tim A. Fischell, Vartan Ghazarossian, Steven Almany, Michael Sasha John 2025-07-08
12343148 Intravascular catheter with peri-vascular nerve activity sensors Tim A. Fischell, Vartan Ghazarossian, Steven Almany 2025-07-01
12306187 Apparatus and methods using tethered enzymes for the detection of the enzymatic activity of biomarkers Roy Cohen, Alexander J. Travis, FURKAT MUKHTAROV, John Mcguire Jaicks 2025-05-20
12245790 Method for painless renal denervation using a peri-vascular tissue ablation catheter with support structures Tim A. Fischell, Robert Ryan Ragland, Darrin James Kent, Andy Edward Denison, Eric T. Johnson +3 more 2025-03-11
12239361 Method for denervation with reduced pain Steven Almany 2025-03-04
12156982 Peri-vascular tissue ablation catheter with support structures Tim A. Fischell, Robert Ryan Ragland, Darrin James Kent, Andy Edward Denison, Eric T. Johnson +3 more 2024-12-03
12108982 Peri-vascular tissue access catheter with locking handle Andy Edward Denison, Tim A. Fischell, Darrin James Kent, Nicole Haratani 2024-10-08
12053238 Peri-vascular tissue ablation catheters Tim A. Fischell, Robert Ryan Ragland, Darrin James Kent, Andy Edward Denison, Eric T. Johnson +2 more 2024-08-06
11980450 Advanced cardiovascular monitoring system with normal, elevated, and high heartrate thresholds Michael Sasha John, David Keenan, Steve Johnson, Gregg Turi 2024-05-14
11980408 Transvascular methods of treating extravascular tissue Tim A. Fischell, Robert Ryan Ragland, Darrin James Kent, Andy Edward Denison, Eric T. Johnson +2 more 2024-05-14
11964113 Expandable catheter system for peri-ostial injection and muscle and nerve fiber ablation Tim A. Fischell 2024-04-23
11944373 Peri-vascular tissue ablation catheters Tim A. Fischell, Robert Ryan Ragland, Darrin James Kent, Andy Edward Denison, Eric T. Johnson +2 more 2024-04-02
11937933 Apparatus for effective ablation and nerve sensing associated with denervation Tim A. Fischell, Vartan Ghazarossian, Steven Almany, Michael Sasha John 2024-03-26
11759608 Intravascular fluid catheter with minimal internal fluid volume Tim A. Fischell 2023-09-19
11752303 Catheter systems and packaged kits for dual layer guide tubes Tim A. Fischell 2023-09-12
11751787 Intravascular catheter with peri-vascular nerve activity sensors Tim A. Fischell, Vartan Ghazarossian, Steven Almany 2023-09-12
11717345 Methods of ablating tissue using a catheter injection system Tim A. Fischell 2023-08-08
11510729 Apparatus for effective ablation and nerve sensing associated with denervation Steven Almany 2022-11-29
11426089 Advanced cardiovascular monitoring system with normal, elevated, and high heartrate thresholds Michael Sasha John, David Keenan, Steve Johnson, Gregg Turi 2022-08-30
11357439 Advanced cardiovascular monitoring system with personalized st-segment thresholds Michael Sasha John, David Keenan, Steve Johnson, Gregg Turi 2022-06-14
11202889 Peri-vascular tissue ablation catheter with support structures Tim A. Fischell, Robert Ryan Ragland, Darrin James Kent, Andy Edward Denison, Eric T. Johnson +3 more 2021-12-21
11007008 Methods of ablating tissue using a catheter injection system Tim A. Fischell 2021-05-18

Frequent Collaborators

Robert E. Fischell124 shared
Tim A. Fischell115 shared
Michael Sasha John27 shared
Jonathan Harwood25 shared
Adrian R. M. Upton24 shared
Darrin James Kent22 shared

Nearby-Ranked Inventors

Luan C. Tran217
Adarsh Krishnan Ramasubramonian217
Timothy J. Fuller217
Jacques Gollier217
Naoki Matsumoto217
Eiichi Kato217
Michael R. Rice217
Joop Roodenburg217
Xiong Liu217