Zoll Medical Corporation
USPTO PatentsView assignee record - 740 granted patents across 60 technology areas, recorded in grant years 2015–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy).
The verdict
According to USPTO PatentsView, Zoll ranks #599 of 49,997 tracked US assignees by granted-patent volume, with 740 patents across 60 technology areas.
- #599
- of 49,997 US assignees by volume
- Top 1%
- by Innovation Score (69.0/100)
- 24.4
- avg claims per patent
- +34%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R599 · US Corporation #599 · 740 grants
GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-DENSE · TYPE-USCORP · VEL-UP · BOOK-FULL
- GRANTS-MID 740 grants
- TOP-DECILE #599/49,997
- PHOTO-FINISH Nuance Communications
- CPC-WIDE A61N · 60 areas
- INNOV-STRONG 69.0/100
- CLAIMS-DENSE 24.4 claims/avg
- TYPE-USCORP US Corporation
- VEL-UP +34% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Nuance Communications, Inc. (±0 grants)
Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.
How Zoll’s 69.0 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around Zoll
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- The Secretary of… · near
The Secretary of… · near
69 score
- Zoll Medical · this assignee
Zoll Medical · this assignee
69 score
- Panasonic Intellectu… · near
Panasonic Intellectu… · near
69 score
- Illinois Tool Works · near
Illinois Tool Works · near
69 score
- STMicroelectronics… · near
STMicroelectronics… · near
69 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Zoll's Innovation Score is 69.0/100 (top 1% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.
Does more volume mean deeper claims for Zoll?
Each dot is one of Zoll’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Zoll’s own 24.4 claims/patent is ABOVE the 16.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
How Zoll's grant cadence moved
Between 2020–2024, Zoll Medical Corporation received 387 grants versus 289 in 2015–2019 (+34% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2021 at 89 grants and bottomed in 2015 at 38. Lead class A61N accounts for 75.1% of the portfolio across 60 subclasses. Volume neighbours: The Toronto-Dominion Bank (#595) and Seminis Vegetable Seeds, Inc. (#603).
Zoll's three-year grant acceleration
From 2019–2021 to 2022–2024, Zoll Medical Corporation moved from 233 to 228 grants (0.98x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,238. See the growth leaderboard.
Who files at Zoll's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- The Toronto-domin…
The Toronto-Dominion Bank
748 patents
- Steering Solution…
Steering Solutions IP Holding Corporation
747 patents
- Shanghai Tianma M…
Shanghai Tianma Micro-electronics Co., Ltd.
743 patents
- Nuance Communicat…
Nuance Communications, Inc.
740 patents
- Zoll Medical ◀
Zoll Medical Corporation
740 patents
- Lexmark Internati…
Lexmark International, Inc.
737 patents
- Denso Internation…
Denso International America, Inc.
736 patents
- Husqvarna AB
Husqvarna AB
736 patents
- Seminis Vegetable…
Seminis Vegetable Seeds, Inc.
735 patents
What this shows Zoll holds 740 patents at rank #599, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Zoll
By rank, the assignees closest to #599 in granted patent volume.
- The Toronto-Dominion Bank #595 · 748 patents
- Steering Solutions IP Holding Corporation #596 · 747 patents
- Shanghai Tianma Micro-electronics Co., Ltd. #597 · 743 patents
- Nuance Communications, Inc. #598 · 740 patents
- Lexmark International, Inc. #600 · 737 patents
- Denso International America, Inc. #601 · 736 patents
- Husqvarna AB #602 · 736 patents
- Seminis Vegetable Seeds, Inc. #603 · 735 patents
Leaders in A61N (Electrotherapy)
Other assignees with the most granted patents in Zoll's primary technology class.
- Medtronic, Inc. 2,200 in class
- Boston Scientific Neuromodulation Corporation 1,080 in class
- Cardiac Pacemakers, Inc. 1,037 in class
- Pacesetter, Inc. 609 in class
- Koniniklijke Philips N.V. 534 in class
- Cochlear Limited 449 in class
- Varian Medical Systems, Inc. 296 in class
- Advanced Bionics AG 284 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Zoll, neither rank-band nor same-CPC leaders (those blocks stay above). In A61N (Electrotherapy), Zoll ranks #5 of 1,943 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (69 here).
Similar claim depth
Nearest assignees by average claims per patent (24.4 here).
Zoll's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
69 Top 1% higher than 99% of 49,997 US assignees
Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 38 | 5.1% |
| 2016 | 57 | 7.7% |
| 2017 | 55 | 7.4% |
| 2018 | 65 | 8.8% |
| 2019 | 74 | 10.0% |
| 2020 | 70 | 9.5% |
| 2021 | 89 | 12.0% |
| 2022 | 64 | 8.6% |
| 2023 | 77 | 10.4% |
| 2024 | 87 | 11.8% |
| 2025partial year | 64 | 8.6% |
Which technologies does Zoll Medical Corporation patent most?
Top 15 of 60 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Zoll Medical Corporation's patent record in context - here's where to go next.
- Zoll Medical Corporation's lead technology class is A61N (ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy), 75.1% of its portfolio - see every assignee active in that class. Explore A61N
- Ranked #599 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Zoll Medical Corporation against The Toronto-Dominion Bank, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 69.0/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated
Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.
Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.