Where does Refractory Intellectual Property GMBH & Co. KG rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Refractory Intellectual Property GMBH & Co. KG ranks #4,833 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 Refractory Intellectual Property GMBH & Co. KG hold?

Refractory Intellectual Property GMBH & Co. KG holds 72 US utility patents granted between 2015 and 2025, spanning 23 technology areas.

What is Refractory Intellectual Property GMBH & Co. KG's Innovation Score?

Refractory Intellectual Property GMBH & Co. KG has an Innovation Score of 45.1 out of 100 (top 24% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Refractory Intellectual Property GMBH & Co. KG's patent grant rate increasing or decreasing?

Refractory Intellectual Property GMBH & Co. KG's recent grant velocity is -13% 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 Refractory Intellectual Property GMBH & Co. KG's patents?

Refractory Intellectual Property GMBH & Co. KG's patents average 13.5 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Refractory Intellectual Property GMBH & Co. KG

Q: What technology areas does Refractory Intellectual Property GMBH & Co. KG focus on?

Refractory Intellectual Property GMBH & Co. KG's top technology area is B22D (Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices) with 39 patents, ranking #8 of 377 assignees active in that subclass. Grants appear in 23 CPC subclasses total.

Q: How is the Refractory Intellectual Property GMBH & Co. KG 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 PatentsView assignee record - 72 granted patents across 23 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: B22D (Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Refractory ranks #4,833 of 49,997 tracked US assignees by granted-patent volume, with 72 patents across 23 technology areas.

#4,833
of 49,997 US assignees by volume: Top 24%
by Innovation Score (45.1/100): 13.5
avg claims per patent: -13%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4833 · Foreign Corporation #4,833 · 72 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-SMALL 72 grants
TOP-DECILE #4,833/49,997
PHOTO-FINISH Li-cor
CPC-FOCUS B22D · 23 areas
INNOV-PAR 45.1/100
CLAIMS-RICH 13.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -13% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Li-cor, 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 Refractory’s 45.1 Innovation Score adds up

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

Volume 14.8 pts (33%) Velocity 5.2 pts (12%) Breadth 17.0 pts (38%) Claim depth 8.1 pts (18%)

Qualcomm Incorporated · highest

85
Lixil · near

45
Refractory Intellect… · this assignee

45
Route 92 Medical · near

45
Siltronic · near

45
Yamada Manufacturing · near

45
3D Lighting… · lowest

7

What this shows Refractory's Innovation Score is 45.1/100 (top 24% 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 Refractory?

Each dot is one of Refractory’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). Refractory’s own 13.5 claims/patent is at or below the 14.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Refractory's grants concentrate

Refractory Intellectual Property GMBH & Co. KG is a focused PatentsView assignee: 23 CPC subclasses with 54.2% of grants classified under B22D (Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices). Peak complete grant year is 2024 (11 grants) versus a trough of 3 in 2015. By volume, Refractory sits between Li-cor, Inc. and Samyang Holdings Corporation.

Refractory's three-year grant acceleration

From 2019–2021 to 2022–2024, Refractory Intellectual Property GMBH & Co. KG moved from 23 to 18 grants (0.78x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Li-cor

72
OCÉ- B V

72
Panpsy

72
Pella

72
Research Institut…

72
Resmed Sensor

72
Saipem

72
Samyang Holdings

72
Refractory Intell… ◀

72

What this shows Refractory holds 72 patents at rank #4,832, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Refractory

By rank, the assignees closest to #4,832 in granted patent volume.

Leaders in B22D (Casting OF Metals)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Refractory, neither rank-band nor same-CPC leaders (those blocks stay above). In B22D (Casting OF Metals), Refractory ranks #8 of 377 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (45 here).

Lixil Corporation 45 Route 92 Medical, Inc. 45 Yamada Manufacturing Co., Ltd. 45 Siltronic AG 45

Similar claim depth

Nearest assignees by average claims per patent (13.5 here).

The Wistar Institute of Anatomy and Biology 13.5 avg Chanel Parfums Beaute 13.5 avg Jiangsu Midea Cleaning Appliances Co., Ltd. 13.5 avg Amvac Chemical Corporation 13.5 avg

Refractory's Innovation Score vs. every tracked assignee

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

45 Top 24% higher than 76% 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 · 2015–2025

Grants by year

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

View data table

Refractory Intellectual Property GMBH & Co. KG patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	4.2%
2016	8	11.1%
2017	10	13.9%
2018	9	12.5%
2019	8	11.1%
2020	6	8.3%
2021	9	12.5%
2022	4	5.6%
2023	3	4.2%
2024	11	15.3%
2025partial year	1	1.4%

Which technologies does Refractory Intellectual Property GMBH & Co. KG patent most?

B22D - Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices 39

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 23

C04B - Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone 23

C21C - Processing OF Pig-iron, e.g. Refining, Manufacture OF Wrought-iron OR STEEL; Treatment IN Molten State OF Ferrous Alloys 12

C21B - Manufacture OF Iron OR Steel 4

F27B - Furnaces, Kilns, Ovens OR Retorts IN GENERAL; Open Sintering OR Like Apparatus 4

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 4

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 3

B25J - MANIPULATORS; Chambers Provided With Manipulation Devices 2

F23M - Casings, Linings, Walls OR Doors Specially Adapted FOR Combustion Chambers, e.g. FIREBRIDGES; Devices FOR Deflecting AIR, Flames OR Combustion Products IN Combustion CHAMBERS; Safety Arrangements Specially Adapted FOR Combustion APPARATUS; Details OF Combustion Chambers, NOT Otherwise Provided FOR 2

E04C - Structural ELEMENTS; Building Materials 2

E04B - General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings 2

B23P - Metal-working NOT Otherwise Provided FOR; Combined OPERATIONS; Universal Machine Tools 2

Y10T - Technical Subjects Covered BY Former US Classification 2

B29B - Preparation OR Pretreatment OF THE Material TO BE SHAPED; Making Granules OR PREFORMS; Recovery OF Plastics OR Other Constituents OF Waste Material Containing Plastics 1

Top 15 of 23 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

Refractory Intellectual Property GMBH & Co. KG's patent record in context - here's where to go next.

Refractory Intellectual Property GMBH & Co. KG's lead technology class is B22D (Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices), 54.2% of its portfolio - see every assignee active in that class. Explore B22D
Ranked #4,833 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Refractory Intellectual Property GMBH & Co. KG against Li-cor, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 45.1/100 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.

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.