Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AK

Andrzej Krol

DWDrum Workshop: 8 patents #4 of 29Top 15%
KMKmc Music: 7 patents #1 of 15Top 7%
DCD'Addario & Company: 6 patents #3 of 38Top 8%
LPLatin Percussion: 6 patents #6 of 12Top 50%
SFSUNY Research Foundation: 5 patents #430 of 1,231Top 35%
MLMccloskey International Limited: 4 patents #3 of 10Top 30%
CUCornell University: 2 patents #404 of 1,984Top 25%
MCMemorial Sloan Kettering Cancer Center: 2 patents #240 of 761Top 35%
UCUniversity Of South Carolina: 2 patents #185 of 728Top 30%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
URUniversity Of Rochester: 1 patents #496 of 1,162Top 45%
Wayne, NJ: #16 of 644 inventorsTop 3%
New Jersey: #1,656 of 69,400 inventorsTop 3%
Overall (All Time): #93,721 of 4,157,543Top 3%
36 Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
11504579 Height and tension adjustable hand exerciser James D'Addario 2022-11-22
11309672 Solder-less and tool-less electrical system James D'Addario, Zachary Stringham 2022-04-19
11254523 Slide mechanism for stacker 2022-02-22
10974098 Retractable hand exerciser Patrick Zerbo 2021-04-13
10958025 Pivoting plug adapter James D'Addario 2021-03-23
10722895 Cone crusher James Paschal McCloskey, Dennis Duellman 2020-07-28
10610868 Hydraulic cylinder system for rock crushers James Paschal McCloskey, Marian Ando 2020-04-07
10596413 Multi-functional finger exercise device Patrick Zerbo 2020-03-24
D876532 Musical instrument tuner James D'Addario, Richard Ned Steinberger, Zachary Stringham 2020-02-25
10183811 Stacker drive module Paschal James McCloskey, Allan Nottingham 2019-01-22
9966050 Instrument Mounting Assembly Victor Filonovich, Sergio G. Bonsignore 2018-05-08
9835737 Autonomous gamma, X-ray, and particle detector Steve Czarnecki, Krishna C. Mandal, Mark D. Poliks, C. Ross Schmidtlein, Michael Thompson +1 more 2017-12-05
9733167 Method and device for preserving and imaging specimens while retaining information on the spatial orientation of specimens with respect to reference objects Axel Wismueller, Avice O'Connell 2017-08-15
9709083 Spring enabled audio device mounting apparatus Victor Filonovich, Sergio G. Bonsignore 2017-07-18
9631652 Clip-on mounting assembly for musical instruments Victor Filonovich, Sergio G. Bonsignore 2017-04-25
9606245 Autonomous gamma, X-ray, and particle detector Steve Czarnecki, Krishna C. Mandal, Mark D. Poliks, C. Ross Schmidtlein, Michael Thompson +1 more 2017-03-28
9570053 Adjustable cajón instrument Victor Filonovich, Thomas M Schwarz, Sergio G. Bonsignore 2017-02-14
9466273 Snare cajón instrument Victor Filonovich, Sergio G. Bonsignore 2016-10-11
9460494 Methods and systems for inverse problem reconstruction and application to ECT reconstruction Yuesheng Xu, Si Li, Lixin Shen 2016-10-04
9437176 Top-tuning system for hand percussion instrument Richard Simons, Ray Enhoffer, Chatchai Chandontrikit 2016-09-06
9343050 Channeled shaker Jeff Sallee, Mark A. Schnose, Ray Enhoffer, Richard Simons 2016-05-17
9257109 Eyebolt bracket assembly Victor Filonovich, Sergio G. Bonsignore 2016-02-09
9087497 Adjustable cajón instrument Victor Filonovich, Thomas M Schwarz, Sergio G. Bonsignore 2015-07-21
8912417 Mutable high-hat tambourine Victor Filonovich, Sergio G. Bonsignore 2014-12-16
8716582 Jingle shaker Jeff Sallee, Mark A. Schnose, Victor Filonovich, Sergio G. Bonsignore 2014-05-06