Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Stefanchik — 95 Patents

Johnson & Johnson: 72 patents #63 of 7,810Top 1%
EIEnable Injections: 20 patents #1 of 15Top 7%
CICilag Gmbh International: 1 patents #563 of 874Top 65%
Morrow, OH: #2 of 95 inventorsTop 3%
Ohio: #211 of 73,341 inventorsTop 1%
Overall (All Time): #16,077 of 4,157,543Top 1%
95 Patents All Time
David Stefanchik has been granted 95 US patents while listed as an inventor at Johnson & Johnson. The first was granted in 1992 and the most recent in December 2025. David Stefanchik ranks #16,077 of 4,157,543 US inventors in our database (top 0.39%). Patent records list David Stefanchik in Morrow, OH, US.

Issued Patents All Time

Showing 1–25 of 95 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12502333 Medical fluid injection and transfer devices and method Rowan Joseph Converse, Matthew J. Huddleston, Daniel L. Geiger, James Lowe, Richard P. Nuchols 2025-12-23
12186269 Reconstitution device, system and method Dylan Bourelle, Matthew J. Huddleston, Joetta Renee Palmer 2025-01-07
12144962 Method for attaching a medical fluid injection device with adhesive Dylan Bourelle, Matthew J. Huddleston, Joetta Renee Palmer, Daniel E. Waites 2024-11-19
12102599 Pressurized gas powered liquid transfer device and system Dylan Bourelle, Daniel L. Geiger, Matthew J. Huddleston, James Lowe, Joetta Renee Palmer 2024-10-01
11883360 Protective locking systems for use with vials Michael D. Hooven, Richard P. Nuchols 2024-01-30
11833326 Fluid flow control valve and flow control devices and methods employing same Adam R. Dunki-Jacobs 2023-12-05
11744777 Reconstitution device, system and method Dylan Bourelle, Matthew J. Huddleston, Joetta Renee Palmer 2023-09-05
11571361 Pressurized gas powered liquid transfer device and system Dylan Bourelle, Daniel L. Geiger, Matthew J. Huddleston, James Lowe, Joetta Renee Palmer 2023-02-07
11571360 Hand-held fluid transfer device and system Dylan Bourelle, Matthew J. Huddleston, Joetta Renee Palmer 2023-02-07
11571164 Medical fluid injection apparatus and method with detachable patch and monitoring Michael D. Hooven, Matthew J. Huddleston, Rowan Joseph Converse, Kory A. Gunnerson, James Marous +2 more 2023-02-07
11478583 Medical fluid transfer and injection apparatus and method Michael D. Hooven, Matthew J. Huddleston, Joetta Renee Palmer 2022-10-25
11426191 Ultrasonic surgical instruments with distally positioned jaw assemblies Omar J. Vakharia, Jeffrey D. Messerly, Steven P. Smolik 2022-08-30
11413393 Injection device with adhesive assembly Dylan Bourelle, Matthew J. Huddleston, Joetta Renee Palmer, Daniel E. Waites 2022-08-16
D948034 Medical fluid injection device Rowan Joseph Converse, Joetta Renee Palmer 2022-04-05
11109800 Medical fluid injection apparatus and method with detachable patch and monitoring Michael D. Hooven, Matthew J. Huddleston, Rowan Joseph Converse, Kory A. Gunnerson, James Marous +2 more 2021-09-07
11040138 Vial transfer and injection apparatus and method Michael D. Hooven, Matthew J. Huddleston, Joetta Renee Palmer 2021-06-22
11033680 Fluid flow control valve and flow control devices and methods employing same Adam R. Dunki-Jacobs 2021-06-15
10918404 Surgical devices with intracorporeal elbow joint Omar J. Vakharia 2021-02-16 $213,668,000
10856943 Surgical system and methods for mimicked motion Michael J. Stokes 2020-12-08 $82,354,000
10729842 Medical vial and injector assemblies and methods of use Michael D. Hooven, Matthew J. Huddleston 2020-08-04
10543008 Ultrasonic surgical instruments with distally positioned jaw assemblies Omar J. Vakharia, Jeffrey D. Messerly, Steven P. Smolik 2020-01-28 $87,714,000
10507285 Pressurized gas powered medicament transfer and re-suspension apparatus and method Adam R. Dunki-Jacobs, Michael D. Hooven, Matthew J. Huddleston, Richard P. Nuchols, Joetta Renee Palmer 2019-12-17
10449293 Injection needle, injection apparatus employing same and method of making Michael D. Hooven, Matthew J. Huddleston 2019-10-22
D863546 Medical fluid injection device Rowan Joseph Converse, Joetta Renee Palmer 2019-10-15
9956051 Methods and devices for remotely controlling movement of surgical tools Michael J. Stokes, David N. Plescia, Omar J. Vakharia, Andrew Yoo, James T. Spivey +1 more 2018-05-01 $78,267,000