PlainPatent
USPTO 2015–2025 USPTO PatentsView US Corporation

Markwest Energy Partners, L.p.

USPTO PatentsView assignee record - 11 granted patents across 5 technology areas, recorded in grant years 2018–2020. 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: F16L (PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL).

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Markwest ranks #24,753 of 50,000 tracked US assignees by granted-patent volume, with 11 patents across 5 technology areas.

#24,753
of 50,000 US assignees by volume
Top 83%
by Innovation Score (25.2/100)
14.4
avg claims per patent
-90%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R24753 · US Corporation #24,753 · 11 grants

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

  • GRANTS-MICRO 11 grants
  • MID-PACK #24,753/50,000
  • PHOTO-FINISH MAHLE ELECTRIC DRIVE…
  • CPC-NARROW F16L · 5 areas
  • INNOV-THIN 25.2/100
  • CLAIMS-RICH 14.4 claims/avg
  • TYPE-USCORP US Corporation
  • VEL-DROP -90% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Mahle Electric Drives Japan Corporation (±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 Markwest

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

score

What this shows Markwest's Innovation Score is 25.2/100 (top 83% 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 Markwest's grants concentrate

Markwest Energy Partners, L.p. is a focused PatentsView assignee: 5 CPC subclasses with 81.8% of grants classified under F16L (PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL). Peak complete grant year is 2019 (6 grants) versus a trough of 1 in 2020. By volume, Markwest sits between Mahle Electric Drives Japan Corporation and Mattur Holdings, Inc..

Who files at Markwest's volume?

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

patents

What this shows Markwest holds 11 patents at rank #24,730, 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 Markwest

By rank, the assignees closest to #24,730 in granted patent volume.

Leaders in F16L (Pipes)

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

Markwest's Innovation Score vs. every tracked assignee

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

25 Top 83% higher than 17% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). Below this entry. 20–30: 13,162 US assignees (26%). This entry sits in this band. 30–40: 15,294 US assignees (31%). Above this entry. 40–50: 11,491 US assignees (23%). Above this entry. 50–60: 5,058 US assignees (10%). Above this entry. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. 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

02468 201820192020 1
USPTO utility patent grants by year · 2018–2020

Grants by year

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

View data table
Markwest Energy Partners, L.p. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2018 4 36.4%
2019 6 54.5%
2020 1 9.1%

Which technologies does Markwest Energy Partners, L.p. patent most?

Top 5 of 5 technology areas

Where it ranks

Overall rank by patents

#24,753

of 50,000 tracked assignees

Innovation Score

25.2 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?
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.