USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Welltec A/S

USPTO PatentsView assignee record - 112 granted patents across 22 technology areas, recorded in grant years 2015–2025. 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).

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The verdict

According to USPTO PatentsView, Welltec ranks #3,336 of 49,997 tracked US assignees by granted-patent volume, with 112 patents across 22 technology areas.

#3,336
of 49,997 US assignees by volume
Top 14%
by Innovation Score (49.8/100)
18.1
avg claims per patent
-64%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3336 · Foreign Corporation #3,336 · 112 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

  • GRANTS-MID 112 grants
  • TOP-DECILE #3,336/49,997
  • PHOTO-FINISH Queen's University…
  • CPC-FOCUS E21B · 22 areas
  • INNOV-PAR 49.8/100
  • CLAIMS-RICH 18.1 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-DROP -64% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Queen's University at Kingston (±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 Welltec

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

score

What this shows Welltec's Innovation Score is 49.8/100 (top 14% 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 Welltec's grants concentrate

Welltec A/S is a focused PatentsView assignee: 22 CPC subclasses with 98.2% 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 2016 (31 grants) versus a trough of 2 in 2021. By volume, Welltec sits between Queen's University at Kingston and Aktiebolaget Electrolux.

Welltec's three-year grant acceleration

From 2019–2021 to 2022–2024, Welltec A/S moved from 20 to 18 grants (0.90x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,470. See the growth leaderboard.

Who files at Welltec's volume?

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

patents

What this shows Welltec holds 112 patents at rank #3,336, 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 Welltec

By rank, the assignees closest to #3,336 in granted patent volume.

Leaders in E21B (Earth OR Rock Drilling)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Welltec, neither rank-band nor same-CPC leaders (those blocks stay above).

Welltec's Innovation Score vs. every tracked assignee

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

50 Top 14% higher than 86% 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

010203040 20152016201720182019202020212022202320242025 2
USPTO utility patent grants by year · 2015–2025

Grants by year

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

View data table
Welltec A/S patent grants by year, 2015–2025
Year Patents Granted Share of Period
2015 16 14.3%
2016 31 27.7%
2017 14 12.5%
2018 11 9.8%
2019 9 8.0%
2020 9 8.0%
2021 2 1.8%
2022 6 5.4%
2023 3 2.7%
2024 9 8.0%
2025partial year 2 1.8%

Which technologies does Welltec A/S patent most?

Top 15 of 22 technology areas

Where it ranks

Overall rank by patents

#3,336

of 49,997 tracked assignees

Innovation Score

49.8 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Welltec A/S's patent record in context - here's where to go next.

  • Welltec A/S'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), 98.2% of its portfolio - see every assignee active in that class. Explore E21B
  • Ranked #3,336 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Welltec A/S against Queen's University at Kingston, an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 49.8/100 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.

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.