Where does China Building Materials Academy Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), China Building Materials Academy Co., Ltd. ranks #22,375 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does China Building Materials Academy Co., Ltd. hold?

China Building Materials Academy Co., Ltd. holds 12 US utility patents granted between 2016 and 2025, spanning 20 technology areas.

What is China Building Materials Academy Co., Ltd.'s Innovation Score?

China Building Materials Academy Co., Ltd. has an Innovation Score of 41.8 out of 100 (top 32% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is China Building Materials Academy Co., Ltd.'s patent grant rate increasing or decreasing?

China Building Materials Academy Co., Ltd.'s recent grant velocity is +250% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for China Building Materials Academy Co., Ltd.'s patents?

China Building Materials Academy Co., Ltd.'s patents average 10.1 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the China Building Materials Academy Co., Ltd. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

China Building Materials Academy Co., Ltd.

Q: What technology areas does China Building Materials Academy Co., Ltd. focus on?

China Building Materials Academy Co., Ltd.'s top technology area is C03C (CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS) with 6 patents. Grants appear in 20 CPC subclasses total.

USPTO PatentsView assignee record - 12 granted patents across 20 technology areas, recorded in grant years 2016–2025. 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: C03C (CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MA).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, China ranks #22,375 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 20 technology areas.

#22,375
of 50,000 US assignees by volume: Top 32%
by Innovation Score (41.8/100): 10.1
avg claims per patent: +250%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R22375 · Foreign Corporation #22,375 · 12 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 12 grants
MID-PACK #22,375/50,000
PHOTO-FINISH Channel Products
CPC-FOCUS C03C · 20 areas
INNOV-PAR 41.8/100
CLAIMS-PAR 10.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +250% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Channel Products, 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.

Qualcomm Incorporated · highest

85
China Building Mater… · this assignee

42
3D Lighting Innovati… · lowest

7

What this shows China's Innovation Score is 41.8/100 (top 32% 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.

Where China's grants concentrate

China Building Materials Academy Co., Ltd. is a focused PatentsView assignee: 20 CPC subclasses with 50% of grants classified under C03C (CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MA). Peak complete grant year is 2024 (3 grants) versus a trough of 1 in 2016. By volume, China sits between Channel Products, Inc. and Citizens Financial Group, Inc..

Channel Products

12
Chemtor

12
Chengdu Universit…

12
Chieftek Precision

12
Chobani

12
Chongqing Gigachi…

12
Churchill Drillin…

12
Citizens Financia…

12
China Building Ma… ◀

12

What this shows China holds 12 patents at rank #22,408, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near China

By rank, the assignees closest to #22,408 in granted patent volume.

Leaders in C03C (Chemical Composition OF Glasses)

Other assignees with the most granted patents in China's primary technology class.

China's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

42 Top 32% higher than 68% of 50,000 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

USPTO utility patent grants by year · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

China Building Materials Academy Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	8.3%
2019	1	8.3%
2020	2	16.7%
2022	1	8.3%
2023	1	8.3%
2024	3	25.0%
2025partial year	3	25.0%

Which technologies does China Building Materials Academy Co., Ltd. patent most?

C03C - CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS 6

C03B - MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES 5

G02B - OPTICAL ELEMENTS, SYSTEMS OR APPARATUS 4

Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS 3

C04B - LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE ; CERAMICS ; REFRACTORIES; TREATMENT OF NATURAL STONE 2

B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 2

F24S - SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS 2

Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION 2

C23C - COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 2

G21F - PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 1

G01T - MEASUREMENT OF NUCLEAR OR X-RADIATION 1

H05B - ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL 1

Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION 1

B61D - BODY DETAILS OR KINDS OF RAILWAY VEHICLES 1

F27D - DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 1

Top 15 of 20 technology areas

Where it ranks

Overall rank by patents

#22,375

of 50,000 tracked assignees

Innovation Score

41.8 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

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.