Where does National Gypsum Properties, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), National Gypsum Properties, LLC ranks #16,219 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does National Gypsum Properties, LLC hold?

National Gypsum Properties, LLC holds 18 US utility patents granted between 2015 and 2020, spanning 15 technology areas.

What is National Gypsum Properties, LLC's Innovation Score?

National Gypsum Properties, LLC has an Innovation Score of 35.6 out of 100 (top 49% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is National Gypsum Properties, LLC's patent grant rate increasing or decreasing?

National Gypsum Properties, LLC's recent grant velocity is -80% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for National Gypsum Properties, LLC's patents?

National Gypsum Properties, LLC's patents average 19.5 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 National Gypsum Properties, LLC 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 US Corporation

National Gypsum Properties, LLC

Q: What technology areas does National Gypsum Properties, LLC focus on?

National Gypsum Properties, LLC's top technology area is C04B (Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone) with 8 patents, ranking #181 of 1,052 assignees active in that subclass. Grants appear in 15 CPC subclasses total.

USPTO PatentsView assignee record - 18 granted patents across 15 technology areas, recorded in grant years 2015–2020. 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: C04B (Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, National ranks #16,219 of 49,997 tracked US assignees by granted-patent volume, with 18 patents across 15 technology areas.

#16,219
of 49,997 US assignees by volume: Top 49%
by Innovation Score (35.6/100): 19.5
avg claims per patent: -80%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R16219 · US Corporation #16,219 · 18 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 18 grants
MID-PACK #16,219/49,997
PHOTO-FINISH Nalu Medical
CPC-FOCUS C04B · 15 areas
INNOV-THIN 35.6/100
CLAIMS-RICH 19.5 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -80% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Nalu Medical, 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 National’s 35.6 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 10.2 pts (29%) Velocity 0.0 pts (0%) Breadth 13.7 pts (38%) Claim depth 11.7 pts (33%)

Qualcomm Incorporated · highest

85
National Gypsum… · this assignee

36
3D Lighting… · lowest

7

What this shows National's Innovation Score is 35.6/100 (top 49% 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 National?

Each dot is one of National’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). National’s own 19.5 claims/patent is ABOVE the 16.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

National vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where National's grants concentrate

National Gypsum Properties, LLC is a focused PatentsView assignee: 15 CPC subclasses with 44.4% of grants classified under C04B (Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone). Peak complete grant year is 2018 (5 grants) versus a trough of 1 in 2019. By volume, National sits between Nalu Medical, Inc. and Neodyne Biosciences, Inc..

Nalu Medical

18
Nanjing Hydraulic…

18
Nanofiber Solutio…

18
Nantmobility

18
National Universi…

18
Nature Technology

18
Nautilus Subsidia…

18
Neodyne Bioscienc…

18
National Gypsum P… ◀

18

What this shows National holds 18 patents at rank #16,233, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near National

By rank, the assignees closest to #16,233 in granted patent volume.

Leaders in C04B (Lime)

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

National's Innovation Score vs. every tracked assignee

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

36 Top 49% higher than 51% 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

USPTO utility patent grants by year · 2015–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

National Gypsum Properties, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	22.2%
2016	3	16.7%
2017	2	11.1%
2018	5	27.8%
2019	1	5.6%
2020	3	16.7%

Which technologies does National Gypsum Properties, LLC patent most?

C04B - Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone 8

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 7

E04C - Structural ELEMENTS; Building Materials 6

B28B - Shaping Clay OR Other Ceramic COMPOSITIONS; Shaping SLAG; Shaping Mixtures Containing Cementitious Material, e.g. Plaster 6

Y10T - Technical Subjects Covered BY Former US Classification 5

E04B - General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings 4

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 3

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 3

G10K - Sound-producing DEVICES; Methods OR Devices FOR Protecting Against, OR FOR Damping, Noise OR Other Acoustic Waves IN GENERAL; Acoustics NOT Otherwise Provided FOR 3

E04F - Finishing Work ON Buildings, e.g. Stairs, Floors 3

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 2

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 2

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 1

B28C - Preparing CLAY; Producing Mixtures Containing Clay OR Cementitious Material, e.g. Plaster 1

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 1

Top 15 of 15 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

National Gypsum Properties, LLC's patent record in context - here's where to go next.

National Gypsum Properties, LLC's lead technology class is C04B (Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone), 44.4% of its portfolio - see every assignee active in that class. Explore C04B
Ranked #16,219 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare National Gypsum Properties, LLC against Nalu Medical, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 35.6/100 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.

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.