6 patents currently held
5 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in May 2031. from the record
Of the 5 now held by other companies, 4 name Electrical Subsea and Drilling As as their current owner, and 1 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
May 2031
Next term end
6
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends May 2031 · High confidence
Also notable
Ends Dec 2040 · Medium confidence
Also notable
Ends no later than Jul 2033 · Medium confidence
System and Method for Measuring Borehole Conditions, in Particular, Verification of a Final Borehole Diameter
US 9,062,531
The most cited patent in this portfolio, cited by 54 later US patents, top 10% of utility patents granted in 2015 in our data. Protection runs to 2031.
Lateral Applicator Kit for A Pipe
US 11,596,970
The newest of the three, granted 2023. It anchors the portfolio to 2040, later than anything else here.
Stud Removal Tool
US 8,997,608
Renewed at every maintenance window since the 2015 grant; no more fees are due before its term ends in 2033. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.
Formerly held, still cited
Notable
Ends Jul 2030 · High confidence
Cited by 41 later US patents, top 25% of utility patents granted in 2014 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2030.
now held by Electrical Subsea & Drilling As
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
The 2 largest of its 6 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Apparatus for Carrying Tools on Clothing Belt | 1 in force | to Aug 2042 |
| Lateral Applicator Kit for A Pipe | 1 in force | to Dec 2040 |
Patents held now
Soonest term end first.
Showing 1 to 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,062,531 | System and Method for Measuring Borehole Conditions, in Particular, Verification of a Final Borehole Diameter held by Tool Joint Products, LLC In force · High confidence | In force | High confidence | |
| US 8,997,608 | Stud Removal Tool held by Tooltech, LLC In force · Medium confidence | In force | Medium confidence | |
| US 11,596,970 | Lateral Applicator Kit for A Pipe held by Tool Den In force · Medium confidence | In force | Medium confidence | |
| US 12,256,828 | Apparatus for Carrying Tools on Clothing Belt held by Tool Hook Buddy, LLC In force · High confidence | In force | High confidence | |
| US 12,516,718 | Dial Drive Fit System In force · High confidence | In force | High confidence | |
| US 12,569,023 | Adjustable Helmet Liner System held by Tool Manufacturing, Inc. In force · High confidence | In force | High confidence |
Also on record, not counted in the 6: 5 patents in force now held by others · 1 application abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.