Joy Global Underground Mining LLC
USPTO PatentsView assignee record - 137 granted patents across 54 technology areas, recorded in grant years 2018–2025. 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: E21C (Mining OR Quarrying).
The verdict
According to USPTO PatentsView, Joy ranks #2,809 of 49,997 tracked US assignees by granted-patent volume, with 137 patents across 54 technology areas.
- #2,809
- of 49,997 US assignees by volume
- Top 6%
- by Innovation Score (56.8/100)
- 18.2
- avg claims per patent
- +73%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R2809 · US Corporation #2,809 · 137 grants
GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-SURGE · BOOK-FULL
- GRANTS-MID 137 grants
- TOP-DECILE #2,809/49,997
- PHOTO-FINISH HI
- CPC-WIDE E21C · 54 areas
- INNOV-PAR 56.8/100
- CLAIMS-RICH 18.2 claims/avg
- TYPE-USCORP US Corporation
- VEL-SURGE +73% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: HI LLC (±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 Joy’s 56.8 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 Joy
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Nissha · near
Nissha · near
57 score
- Danieli & C… · near
Danieli & C… · near
57 score
- Intellectual… · near
Intellectual… · near
57 score
- Joy Global Undergrou… · this assignee
Joy Global Undergrou… · this assignee
57 score
- Vrije Universiteit… · near
Vrije Universiteit… · near
57 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Joy's Innovation Score is 56.8/100 (top 6% 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 Joy?
Each dot is one of Joy’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). Joy’s own 18.2 claims/patent is ABOVE the 12.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
How Joy's grant cadence moved
Between 2020–2024, Joy Global Underground Mining LLC received 83 grants versus 48 in 2015–2019 (+73% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2019 at 27 grants and bottomed in 2024 at 8. Lead class E21C accounts for 59.9% of the portfolio across 54 subclasses. Volume neighbours: HI LLC (#2,805) and Salomon S.A.S. (#2,813).
Joy's three-year grant acceleration
From 2019–2021 to 2022–2024, Joy Global Underground Mining LLC moved from 70 to 40 grants (0.57x 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 #2,524. See the growth leaderboard.
Who files at Joy's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- HI
HI LLC
137 patents
- Hong ANN Tool Ind…
Hong ANN Tool Industries Co., Ltd.
137 patents
- Illuscio
Illuscio, Inc.
137 patents
- Iris Ohyama
Iris Ohyama Inc.
137 patents
- NEC Solution Inno…
NEC Solution Innovators, Ltd.
137 patents
- NEW H3C
NEW H3C Technologies Co., Ltd.
137 patents
- Nuovo Pignone SRL
Nuovo Pignone SRL
137 patents
- Salomon S
Salomon S.A.S.
137 patents
- Joy Global Underg… ◀
Joy Global Underground Mining LLC
137 patents
What this shows Joy holds 137 patents at rank #2,809, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Joy
By rank, the assignees closest to #2,809 in granted patent volume.
- HI LLC #2,805 · 137 patents
- Hong ANN Tool Industries Co., Ltd. #2,806 · 137 patents
- Illuscio, Inc. #2,807 · 137 patents
- Iris Ohyama Inc. #2,808 · 137 patents
- NEC Solution Innovators, Ltd. #2,810 · 137 patents
- NEW H3C Technologies Co., Ltd. #2,811 · 137 patents
- Nuovo Pignone SRL #2,812 · 137 patents
- Salomon S.A.S. #2,813 · 137 patents
Leaders in E21C (Mining OR Quarrying)
Other assignees with the most granted patents in Joy's primary technology class.
- Wirtgen GmbH 94 in class
- Joy MM Delaware, Inc. 47 in class
- The Sollami Company 46 in class
- China University of Mining and Technology 42 in class
- Caterpillar Global Mining Europe GmbH 26 in class
- Sandvik Intellectual Property AB 25 in class
- Kennametal Inc. 23 in class
- Caterpillar Paving Products Inc. 23 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Joy, neither rank-band nor same-CPC leaders (those blocks stay above). In E21C (Mining OR Quarrying), Joy ranks #2 of 104 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (57 here).
Similar claim depth
Nearest assignees by average claims per patent (18.2 here).
Joy's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
57 Top 6% higher than 94% 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 2018–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2018 | 21 | 15.3% |
| 2019 | 27 | 19.7% |
| 2020 | 25 | 18.2% |
| 2021 | 18 | 13.1% |
| 2022 | 20 | 14.6% |
| 2023 | 12 | 8.8% |
| 2024 | 8 | 5.8% |
| 2025partial year | 6 | 4.4% |
Which technologies does Joy Global Underground Mining LLC patent most?
Top 15 of 54 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Joy Global Underground Mining LLC's patent record in context - here's where to go next.
- Joy Global Underground Mining LLC's lead technology class is E21C (Mining OR Quarrying), 59.9% of its portfolio - see every assignee active in that class. Explore E21C
- Ranked #2,809 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Joy Global Underground Mining LLC against HI LLC, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 56.8/100 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.