Power tong interlock system
US-11613941-B2 · Mar 28, 2023 · US
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Internal grip wrenches {(B25B13/5083 takes precedence)}
Internal grip wrenches {(B25B13/5083 takes precedence)} · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B25B13/54 |
| Official title | Internal grip wrenches {(B25B13/5083 takes precedence)} |
| Display label | Internal grip wrenches {(B25B13/5083 takes precedence)} |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 10 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for preloading a bearing and aligning a lock nut
US-11009068-B2 · May 18, 2021 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-10837489-B2 · Nov 17, 2020 · US
Power tong interlock system
US-2020284107-A1 · Sep 10, 2020 · US
Universal aerator removal and installation tool
US-10730170-B2 · Aug 4, 2020 · US
Universal aerator removal and installation tool
US-2019061114-A1 · Feb 28, 2019 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-2018363701-A1 · Dec 20, 2018 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-10151343-B2 · Dec 11, 2018 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-10107331-B1 · Oct 23, 2018 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-10100872-B1 · Oct 16, 2018 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-2018291956-A1 · Oct 11, 2018 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-2018291952-A1 · Oct 11, 2018 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-2018291955-A1 · Oct 11, 2018 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-2018291953-A1 · Oct 11, 2018 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-2018291954-A1 · Oct 11, 2018 · US
Power tong spool valve speed limiting system
US-10006260-B2 · Jun 26, 2018 · US
Systems and methods for preloading a bearing and aligning a lock nut
US-9850943-B1 · Dec 26, 2017 · US
Apparatus for holding and applying torque to a nut
US-9259827-B2 · Feb 16, 2016 · US
Apparatus for holding and applying torque to a nut
US-2015101463-A1 · Apr 16, 2015 · US