Where does Hard Metals Australia Pty Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hard Metals Australia Pty Limited ranks #31,875 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 Hard Metals Australia Pty Limited hold?

Hard Metals Australia Pty Limited holds 8 US utility patents granted between 2016 and 2019, spanning 3 technology areas.

What is Hard Metals Australia Pty Limited's Innovation Score?

Hard Metals Australia Pty Limited has an Innovation Score of 17.2 out of 100 (4th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hard Metals Australia Pty Limited's patent grant rate increasing or decreasing?

Hard Metals Australia Pty Limited's recent grant velocity is -100% 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 Hard Metals Australia Pty Limited's patents?

Hard Metals Australia Pty Limited's patents average 5.8 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 Hard Metals Australia Pty Limited 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

Hard Metals Australia Pty Limited

Q: What technology areas does Hard Metals Australia Pty Limited focus on?

Hard Metals Australia Pty Limited's top technology area is E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells) with 1 patents, ranking #1,115 of 1,363 assignees active in that subclass. Grants appear in 3 CPC subclasses total.

USPTO PatentsView assignee record - 8 granted patents across 3 technology areas, recorded in grant years 2016–2019. 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: E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hard ranks #31,875 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 3 technology areas.

#31,875
of 49,997 US assignees by volume: 4th percentile
by Innovation Score (17.2/100): 5.8
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R31875 · Foreign Corporation #31,875 · 8 grants

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

GRANTS-MICRO 8 grants
MID-PACK #31,875/49,997
PHOTO-FINISH Hangzhou XZB Tech
CPC-NARROW E21B · 3 areas
INNOV-LOW 17.2/100
CLAIMS-SPARSE 5.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hangzhou XZB Tech Co., Ltd (±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 Hard’s 17.2 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 7.6 pts (44%) Velocity 0.0 pts (0%) Breadth 6.1 pts (35%) Claim depth 3.5 pts (20%)

Qualcomm Incorporated · highest

85
Hard Metals… · this assignee

17
3D Lighting… · lowest

7

What this shows Hard's Innovation Score is 17.2/100 (4th 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 Hard?

Each dot is one of Hard’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). Hard’s own 5.8 claims/patent is at or below the 11.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Hard's grants concentrate

Hard Metals Australia Pty Limited is a focused PatentsView assignee: 3 CPC subclasses with 12.5% of grants classified under E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells). Peak complete grant year is 2019 (5 grants) versus a trough of 1 in 2017. By volume, Hard sits between Hangzhou XZB Tech Co., Ltd and Health2047, Inc..

Hangzhou XZB Tech

8
Hangzhou Yixiang…

8
Hangzhou Yixiang…

8
Hangzhou Youngsun…

8
Harness

8
Harris Research

8
Hatchmed

8
Health2047

8
Hard Metals Austr… ◀

8

What this shows Hard holds 8 patents at rank #31,930, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hard

By rank, the assignees closest to #31,930 in granted patent volume.

Leaders in E21B (Earth OR Rock Drilling)

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

Hard's Innovation Score vs. every tracked assignee

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

17 4th percentile higher than 4% 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 · 2016–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Hard Metals Australia Pty Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	2	25.0%
2017	1	12.5%
2019	5	62.5%

Which technologies does Hard Metals Australia Pty Limited patent most?

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 1

B28D - Working Stone OR Stone-like Materials 1

A01B - Soil Working IN Agriculture OR FORESTRY; Parts, Details, OR Accessories OF Agricultural Machines OR Implements, IN General 1

Top 3 of 3 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

Hard Metals Australia Pty Limited's patent record in context - here's where to go next.

Hard Metals Australia Pty Limited's lead technology class is E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells), 12.5% of its portfolio - see every assignee active in that class. Explore E21B
Ranked #31,875 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hard Metals Australia Pty Limited against Hangzhou XZB Tech Co., Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 17.2/100 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.