PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Hizero Technologies Co., Ltd.

USPTO PatentsView assignee record - 13 granted patents across 2 technology areas, recorded in grant years 2018–2021. 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: A47L (Domestic Washing OR Cleaning ; Suction Cleaners IN General).

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The verdict

According to USPTO PatentsView, Hizero ranks #21,233 of 49,997 tracked US assignees by granted-patent volume, with 13 patents across 2 technology areas.

#21,233
of 49,997 US assignees by volume
15th percentile
by Innovation Score (24.4/100)
17.2
avg claims per patent
+125%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R21233 · Foreign Corporation #21,233 · 13 grants

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

  • GRANTS-MICRO 13 grants
  • MID-PACK #21,233/49,997
  • PHOTO-FINISH Heathkit
  • CPC-NARROW A47L · 2 areas
  • INNOV-THIN 24.4/100
  • CLAIMS-RICH 17.2 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-SURGE +125% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Heathkit Company, 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 Hizero’s 24.4 Innovation Score adds up

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

Innovation-score neighbourhood around Hizero

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

score

What this shows Hizero's Innovation Score is 24.4/100 (15th 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.

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

Does more volume mean deeper claims for Hizero?

Each dot is one of Hizero’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). Hizero’s own 17.2 claims/patent is ABOVE the 11.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Hizero vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView. 2×2 strategic matrix plotting 9 entities by Granted patents (volume) (X) and Avg claims / patent (Y), with a crosshair dividing the plot into four quadrants. Volume + depthSelective & thoroughVolume over depthLean filer 12.912.91313.1 010203040 Granted patents (volume) Avg claims / patent Heathkit Company, Inc. - 13, 18.54HeathkitHirschvogel Umformtechnik GMBH - 13, 18.69Hirschvogel Umfor…Hiscene Information Technology Co., Ltd - 13, 11.46Hiscene Informati…Hitachi Mitsubishi Hydro Corporation - 13, 6.54Hitachi Mitsubish…HM.Clause, S.A.S. - 13, 25.08HM Clause SHoey Co., Ltd. - 13, 6.15HoeyHoly Stone Enierprise Co., Ltd. - 13, 7.54Holy Stone Enierp…HUA Medicine (Shanghai) Ltd. - 13, 31.23HUA Medicine (Sha…Hizero Technologies Co., Ltd. - 13, 17.23Hizero
Hizero vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Hizero's grants concentrate

Hizero Technologies Co., Ltd. is a focused PatentsView assignee: 2 CPC subclasses with 100% of grants classified under A47L (Domestic Washing OR Cleaning ; Suction Cleaners IN General). Peak complete grant year is 2020 (5 grants) versus a trough of 4 in 2018. By volume, Hizero sits between Heathkit Company, Inc. and HUA Medicine (Shanghai) Ltd..

Who files at Hizero's volume?

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

patents

What this shows Hizero holds 13 patents at rank #21,218, 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 Hizero

By rank, the assignees closest to #21,218 in granted patent volume.

Leaders in A47L (Domestic Washing OR Cleaning)

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

Hizero's Innovation Score vs. every tracked assignee

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

24 15th percentile higher than 15% of 49,997 US assignees

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

3.544.555.5 201820202021 4
USPTO utility patent grants by year · 2018–2021

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table
Hizero Technologies Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2018 4 30.8%
2020 5 38.5%
2021 4 30.8%

Which technologies does Hizero Technologies Co., Ltd. patent most?

Top 2 of 2 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

Hizero Technologies Co., Ltd.'s patent record in context - here's where to go next.

  • Hizero Technologies Co., Ltd.'s lead technology class is A47L (Domestic Washing OR Cleaning ; Suction Cleaners IN General), 100% of its portfolio - see every assignee active in that class. Explore A47L
  • Ranked #21,233 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Hizero Technologies Co., Ltd. against Heathkit Company, Inc., an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 24.4/100 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

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.