PlainPatent

CPC technology class · G01

G01D - Measuring Not Specially Adapted For A Specific Variable

Measuring not specially adapted for a specific variable; arrangements for measuring two or more variables not covered in a single other subclass; tariff metering apparatus; measuring or testing not otherwise provided for. 14,112 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

14,112
US patents granted
#9/18
in G01
3.6%
G01 class share
+6%
5-yr velocity

The verdict

According to USPTO PatentsView, Measuring Not Specially Adapted For A Specific Variable ranks #133 of 670 CPC technology areas - 14,112 US patents granted since 2015, with recorded grant volume up 6% over five years.

#133
of 670 CPC technology areas
14,112
US patents granted, 2015–2025
Infineon
leading assignee (328)
+6%
grant velocity, last 5 yrs

How G01D's grant cadence moved

Between 2020–2024, G01D recorded 6,578 grants versus 6,222 in 2015–2019 (+6% equal-window velocity). Across complete years, output peaked in 2019 at 1,532 grants and bottomed in 2015 at 988 (+55% peak-over-trough). Lead assignee Infineon Technologies AG holds 2.3% of the class ; the top three share 5.2%.

Leaderboard read

G01D concentration, lead at 2.3%

Infineon Technologies AG leads this historical grant record at 2.3% of G01D - foreign corporation assignees hold 66% of class grants (4,289 of 6,456). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
2.3%

328 of 14,112 grants

Top three share
5.2%

of the class's recorded grants

Lead over #2
92

more grants than Allegro MicroSystems, LLC

Where G01D sits inside G01

Among 18 subclasses in G01 (MEASURING; Testing), G01D ranks #9 and holds 3.6% of the parent class's 393,430 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

G01N 115,972 G01R 53,716 G01S 52,756 G01C 32,360 G01B 22,043 G01J 16,402 G01M 14,845 G01V 14,307

Rising assignees active in G01D

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

  1. #1 HL Mando Corporation 212x 0 → 212 company-wide · 12 in G01D
  2. #2 Proterial, Ltd. 139x 0 → 139 company-wide · 9 in G01D
  3. #3 Chengdu Qinchuan IOT Technology Co., Ltd. 20x 9 → 179 company-wide · 14 in G01D
  4. #4 EI Electronics LLC 17x 0 → 17 company-wide · 13 in G01D
  5. #5 Kyocera AVX Components (Werne) GMBH 16x 0 → 16 company-wide · 11 in G01D

G01D grants by year, peak 2019 (1,532)

US utility-patent grants per year in G01D, 2015–2025 - recent five years are up 6% versus 2015–2019.

6008001,0001,2001,4001,600 20152016201720182019202020212022202320242025 786

Who leads G01D?

The 12 most active assignees in Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT Otherwise Provided FOR - wider bars mean more grants

patents

What this shows Infineon is the most active filer in G01D, holding 328 of the 14,112 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass G01D
Rank Company Patents in G01D
#1 Infineon Technologies AG 328
#2 Allegro MicroSystems, LLC 236
#3 Mitutoyo Corporation 169
#4 TDK Corporation 131
#5 DR. Johannes Heidenhain GMBH 128
#6 Melexis Technologies SA 91
#7 Continental Automotive GMBH 81
#8 Itron, Inc. 67
#9 Nikon Corporation 63
#10 Continental Teves AG & Co. OHG 61
#11 Yazaki Corporation 57
#12 Continental Automotive France 54
#13 Rosemount Inc. 54
#14 Intuitive Surgical Operations, Inc. 51
#15 Aktiebolaget SKF 51
#16 Varcode Ltd. 44
#17 Pixart Imaging Inc. 43
#18 Yokogawa Electric Corporation 43
#19 Continental Automotive Systems Inc. 41
#20 Jtekt Corporation 39

Footprint here vs. claim strategy

Each dot is a leading G01D assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 G01D assignees by class footprint. Bubble size = patents in G01D. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 51015202530 0100200300400 Patents in G01D Avg claims / patent (company-wide) InfineonAllegro MicrosystemsMitutoyoTdkDr Johannes HeidenhainMelexisContinental AutomotiveItronNikonContinental Teves &…YazakiContinental Automotive…RosemountIntuitive Surgical…
Top 14 G01D assignees by class footprint. Bubble size = patents in G01D. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near G01D's 14,112-grant footprint

Nationwide nearest neighbors for G01D (#133 of 670 by volume ; lead share 2.3%) - not the G01 parent-class siblings above.

Nearest by grant volume

B60Y 14,131 F24F 14,049 H03F 14,014 A61Q 14,001

Nearest by lead-assignee share

F28D 2.3% F04B 2.3% G01R 2.3% B32B 2.3%

Questions about G01D

Which company holds the most patents in G01D?
Infineon Technologies AG leads G01D with 328 patents (2.3% of the subclass). By PatentsView assignee type, foreign corporations account for 66% of class grants.
Which G01D assignees grew fastest recently?
Among assignees with ≥5 grants in G01D, HL Mando Corporation shows the highest company-wide grant multiple (212x: 0 grants in 2019–2021 → 212 in 2022–2024) while holding 12 patents in this subclass. Growth is company-wide, not class-only.
How does G01D compare inside parent class G01?
Inside G01 (MEASURING; Testing), G01D ranks #9 of 18 subclasses by grant volume and holds 3.6% of the parent class total. The largest sibling is G01N (115,972 grants).

What to do with this data

G01D in context - here's where to go next.

  • Infineon Technologies AG leads G01D with 328 grants in this class. See full portfolio
  • G01D ranks #133 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class G01, the largest sibling subclass is G01N with 115,972 grants. Explore G01N

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - G01D figures are USPTO PatentsView granted-utility totals for this subclass (14,112 grants in the tracked window).

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.