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).
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.
How Welltec’s 49.8 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 Welltec
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Mobius Imaging · near
Mobius Imaging · near
50 score
- MTU Friedrichshafen · near
MTU Friedrichshafen · near
50 score
- Trudell Medical… · near
Trudell Medical… · near
50 score
- Skybell IP · near
Skybell IP · near
50 score
- Welltec A/S · this assignee
Welltec A/S · this assignee
50 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 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.
Does more volume mean deeper claims for Welltec?
Each dot is one of Welltec’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). Welltec’s own 18.1 claims/patent is at or below the 19.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.
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 ◀
- Queen's Universit…
Queen's University at Kingston
112 patents
- Sandisk 3D
SanDisk 3D LLC
112 patents
- Tsmc China
Tsmc China Company, Limited
112 patents
- The Travelers Ind…
The Travelers Indemnity Company
112 patents
- West Affum Holdin…
West Affum Holdings Corp.
112 patents
- Yealink (Xiamen)…
Yealink (XIAMEN) Network Technology Co., Ltd.
112 patents
- Welltec A/S ◀
Welltec A/S
112 patents
- Akoustis
Akoustis, Inc.
111 patents
- Aktiebolaget Elec…
Aktiebolaget Electrolux
111 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.
Companies ranked near Welltec
By rank, the assignees closest to #3,336 in granted patent volume.
- Queen's University at Kingston #3,332 · 112 patents
- SanDisk 3D LLC #3,333 · 112 patents
- Tsmc China Company, Limited #3,334 · 112 patents
- The Travelers Indemnity Company #3,335 · 112 patents
- West Affum Holdings Corp. #3,337 · 112 patents
- Yealink (XIAMEN) Network Technology Co., Ltd. #3,338 · 112 patents
- Akoustis, Inc. #3,339 · 111 patents
- Aktiebolaget Electrolux #3,340 · 111 patents
Leaders in E21B (Earth OR Rock Drilling)
Other assignees with the most granted patents in Welltec's primary technology class.
- Halliburton Energy Services, Inc. 6,516 in class
- Schlumberger Technology Corporation 3,244 in class
- Saudi Arabian OIL Company 3,064 in class
- Baker Hughes Holdings LLC 1,273 in class
- Baker Hughes, a GE company, LLC 1,107 in class
- Weatherford Technology Holdings, LLC 829 in class
- Baker Hughes Oilfield Operations LLC 598 in class
- Cameron International Corporation 514 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Welltec, neither rank-band nor same-CPC leaders (those blocks stay above). In E21B (Earth OR Rock Drilling), Welltec ranks #29 of 1,363 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (50 here).
Similar claim depth
Nearest assignees by average claims per patent (18.1 here).
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
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
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| 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
Data Source
USPTO PatentsView, US granted patents 2015–2025
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.