Power China Huadong Engineering Corporation Limited
USPTO PatentsView assignee record - 23 granted patents across 32 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).
The verdict
According to USPTO PatentsView, Power ranks #13,114 of 49,997 tracked US assignees by granted-patent volume, with 23 patents across 32 technology areas.
- #13,114
- of 49,997 US assignees by volume
- Top 42%
- by Innovation Score (38.1/100)
- 7.2
- avg claims per patent
- +0%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R13114 · Foreign Corporation #13,114 · 23 grants
GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-FLAT · BOOK-FULL
- GRANTS-SMALL 23 grants
- MID-PACK #13,114/49,997
- PHOTO-FINISH Paddywax
- CPC-FOCUS Y02E · 32 areas
- INNOV-THIN 38.1/100
- CLAIMS-SPARSE 7.2 claims/avg
- TYPE-FRNCORP Foreign Corp
- VEL-FLAT +0% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Paddywax, 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 Power’s 38.1 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 Power
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Power China Huadong… · this assignee
Power China Huadong… · this assignee
38 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Power's Innovation Score is 38.1/100 (top 42% 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 Power?
Each dot is one of Power’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). Power’s own 7.2 claims/patent is at or below the 12.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.
Where Power's grants concentrate
Power China Huadong Engineering Corporation Limited is a focused PatentsView assignee: 32 CPC subclasses with 30.4% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2019 (6 grants) versus a trough of 1 in 2015. By volume, Power sits between Pietro Fiorentini S.P.A. and Paddywax, LLC.
Power's three-year grant acceleration
Power China Huadong Engineering Corporation Limited shows 5 grants in 2022–2024 against only 12 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.
Who files at Power's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Pietro Fiorentini…
Pietro Fiorentini S.P.A.
23 patents
- Pixelligent
Pixelligent Technologies LLC
23 patents
- Plastibec
Plastibec Inc.
23 patents
- POMA
POMA
23 patents
- Precision Biologi…
Precision Biologics, Inc.
23 patents
- Protechna
Protechna S.A.
23 patents
- Public University…
Public University Corporation Nagoya City University
23 patents
- Paddywax
Paddywax, LLC
23 patents
- Power China Huado… ◀
Power China Huadong Engineering Corporation Limited
23 patents
What this shows Power holds 23 patents at rank #13,101, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Power
By rank, the assignees closest to #13,101 in granted patent volume.
- Pietro Fiorentini S.P.A. #13,097 · 23 patents
- Pixelligent Technologies LLC #13,098 · 23 patents
- Plastibec Inc. #13,099 · 23 patents
- POMA #13,100 · 23 patents
- Precision Biologics, Inc. #13,102 · 23 patents
- Protechna S.A. #13,103 · 23 patents
- Public University Corporation Nagoya City University #13,104 · 23 patents
- Paddywax, LLC #13,105 · 23 patents
Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)
Other assignees with the most granted patents in Power's primary technology class.
- Samsung Electronics Co., Ltd. 6,395 in class
- Toyota Jidosha Kabushiki Kaisha 3,460 in class
- LG Chem, Ltd. 2,639 in class
- LG Energy Solution, Ltd. 2,060 in class
- Panasonic Intellectual Property Management Co., Ltd. 1,752 in class
- General Electric Company 1,650 in class
- Hyundai Motor Company 1,589 in class
- Honda Motor Co., Ltd. 1,355 in class
Power's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
38 Top 42% higher than 58% 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 | 1 | 4.3% |
| 2016 | 1 | 4.3% |
| 2018 | 3 | 13.0% |
| 2019 | 6 | 26.1% |
| 2020 | 3 | 13.0% |
| 2021 | 3 | 13.0% |
| 2023 | 4 | 17.4% |
| 2024 | 1 | 4.3% |
| 2025partial year | 1 | 4.3% |
Which technologies does Power China Huadong Engineering Corporation Limited patent most?
Top 15 of 32 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Power China Huadong Engineering Corporation Limited's patent record in context - here's where to go next.
- Power China Huadong Engineering Corporation Limited's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 30.4% of its portfolio - see every assignee active in that class. Explore Y02E
- Ranked #13,114 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Power China Huadong Engineering Corporation Limited against Pietro Fiorentini S.P.A., an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 38.1/100 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.