PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Guangdong Yingao Kitchen Utensils Co., Ltd.

USPTO PatentsView assignee record - 10 granted patents across 3 technology areas, recorded in grant years 2019–2021. 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: E03C (DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ; SINKS).

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Guangdong ranks #26,417 of 50,000 tracked US assignees by granted-patent volume, with 10 patents across 3 technology areas.

#26,417
of 50,000 US assignees by volume
Top 97%
by Innovation Score (15.3/100)
1.5
avg claims per patent
-57%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R26417 · Foreign Corporation #26,417 · 10 grants

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

  • GRANTS-MICRO 10 grants
  • MID-PACK #26,417/50,000
  • PHOTO-FINISH GREENFIELD WORLD TRADE
  • CPC-NARROW E03C · 3 areas
  • INNOV-LOW 15.3/100
  • CLAIMS-SPARSE 1.5 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-DROP -57% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Greenfield World Trade, 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.

Innovation-score neighbourhood around Guangdong

Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.

score

What this shows Guangdong's Innovation Score is 15.3/100 (top 97% 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.

Source USPTO PatentsView, PlainPatent Innovation Score As of 2015–2025

Where Guangdong's grants concentrate

Guangdong Yingao Kitchen Utensils Co., Ltd. is a focused PatentsView assignee: 3 CPC subclasses with 10% of grants classified under E03C (DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ; SINKS). Peak complete grant year is 2019 (7 grants) versus a trough of 1 in 2020. By volume, Guangdong sits between Greenfield World Trade, Inc. and Guangzhou Roiskin Technology Company.

Who files at Guangdong's volume?

Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀

patents

What this shows Guangdong holds 10 patents at rank #26,379, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Companies ranked near Guangdong

By rank, the assignees closest to #26,379 in granted patent volume.

Leaders in E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste…)

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

Guangdong's Innovation Score vs. every tracked assignee

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

15 Top 97% higher than 3% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). This entry sits in this band. 20–30: 13,162 US assignees (26%). Above this entry. 30–40: 15,294 US assignees (31%). Above this entry. 40–50: 11,491 US assignees (23%). Above this entry. 50–60: 5,058 US assignees (10%). Above this entry. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. This assignee 0 100 every tracked assignee, bucketed by value

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

02468 201920202021 2
USPTO utility patent grants by year · 2019–2021

Grants by year

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

View data table
Guangdong Yingao Kitchen Utensils Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2019 7 70.0%
2020 1 10.0%
2021 2 20.0%

Which technologies does Guangdong Yingao Kitchen Utensils Co., Ltd. patent most?

Top 3 of 3 technology areas

Where it ranks

Overall rank by patents

#26,417

of 50,000 tracked assignees

Innovation Score

15.3 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

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.