Where does Rankam (China) Manufacturing Co. Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Rankam (China) Manufacturing Co. Ltd. ranks #37,163 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 Rankam (China) Manufacturing Co. Ltd. hold?

Rankam (China) Manufacturing Co. Ltd. holds 7 US utility patents granted between 2015 and 2021, spanning 5 technology areas.

What is Rankam (China) Manufacturing Co. Ltd.'s Innovation Score?

Rankam (China) Manufacturing Co. Ltd. has an Innovation Score of 20.1 out of 100 (6th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Rankam (China) Manufacturing Co. Ltd.'s patent grant rate increasing or decreasing?

Rankam (China) Manufacturing Co. Ltd.'s recent grant velocity is -60% 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 Rankam (China) Manufacturing Co. Ltd.'s patents?

Rankam (China) Manufacturing Co. Ltd.'s patents average 8.3 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 Rankam (China) Manufacturing 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

Rankam (China) Manufacturing Co. Ltd.

Q: What technology areas does Rankam (China) Manufacturing Co. Ltd. focus on?

Rankam (China) Manufacturing Co. Ltd.'s top technology area is E04H (Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General) with 1 patents, ranking #490 of 795 assignees active in that subclass. Grants appear in 5 CPC subclasses total.

USPTO PatentsView assignee record - 7 granted patents across 5 technology areas, recorded in grant years 2015–2021. 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: E04H (Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Rankam ranks #37,163 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 5 technology areas.

#37,163
of 49,997 US assignees by volume: 6th percentile
by Innovation Score (20.1/100): 8.3
avg claims per patent: -60%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R37163 · Foreign Corporation #37,163 · 7 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 7 grants
MID-PACK #37,163/49,997
PHOTO-FINISH Rainforest QA
CPC-NARROW E04H · 5 areas
INNOV-THIN 20.1/100
CLAIMS-PAR 8.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -60% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Rainforest QA, 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 Rankam’s 20.1 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 7.2 pts (36%) Velocity 0.0 pts (0%) Breadth 7.9 pts (39%) Claim depth 5.0 pts (25%)

Qualcomm Incorporated · highest

85
Rankam (China)… · this assignee

20
3D Lighting… · lowest

7

What this shows Rankam's Innovation Score is 20.1/100 (6th percentile 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 Rankam?

Each dot is one of Rankam’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). Rankam’s own 8.3 claims/patent is at or below the 17.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Rankam's grants concentrate

Rankam (China) Manufacturing Co. Ltd. is a focused PatentsView assignee: 5 CPC subclasses with 14.3% of grants classified under E04H (Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General). Peak complete grant year is 2019 (3 grants) versus a trough of 1 in 2015. By volume, Rankam sits between Rainforest QA, Inc. and Rav Bariach (08) Industries Ltd..

Rainforest QA

7
Rakuten Medical

7
Rakuten USA

7
Ramp Business

7
Rapidpulse

7
Rare Breed Firear…

7
Rastaclat

7
Rav Bariach (08)…

7
Rankam (China) Ma… ◀

7

What this shows Rankam holds 7 patents at rank #37,202, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Rankam

By rank, the assignees closest to #37,202 in granted patent volume.

Leaders in E04H (Buildings OR Like Structures FOR Particular Purposes)

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

Rankam's Innovation Score vs. every tracked assignee

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

20 6th percentile higher than 6% 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 · 2015–2021

Grants by year

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

View data table

Rankam (China) Manufacturing Co. Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	14.3%
2018	1	14.3%
2019	3	42.9%
2021	2	28.6%

Which technologies does Rankam (China) Manufacturing Co. Ltd. patent most?

E04H - Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General 1

A47B - TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture 1

A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof 1

A23V - Indexing Scheme Relating TO Foods, Foodstuffs OR Non-alcoholic Beverages AND Lactic OR Propionic Acid Bacteria Used IN Foodstuffs OR Food Preparation 1

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 1

Top 5 of 5 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

Rankam (China) Manufacturing Co. Ltd.'s patent record in context - here's where to go next.

Rankam (China) Manufacturing Co. Ltd.'s lead technology class is E04H (Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General), 14.3% of its portfolio - see every assignee active in that class. Explore E04H
Ranked #37,163 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Rankam (China) Manufacturing Co. Ltd. against Rainforest QA, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 20.1/100 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.