Lifting tool
US-2026042642-A1 · Feb 12, 2026 · US
and applying frictional forces
and applying frictional forces · 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 | B66C1/44 |
| Official title | and applying frictional forces |
| Display label | and applying frictional forces |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 2 |
| 2017 | 10 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 4 |
| 2022 | 1 |
| 2023 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rail handling tool
US-2025376356-A1 · Dec 11, 2025 · US
Device and method for transporting articles
US-2025187852-A1 · Jun 12, 2025 · US
Providing a handling operation recommendation for an electric material handling machine
US-2025170922-A1 · May 29, 2025 · US
Gripping device and robot having the same
US-2025073919-A1 · Mar 6, 2025 · US
Transport vehicle and transport apparatus
US-2023406372-A1 · Dec 21, 2023 · US
Work machine and control device for work machine
US-2023279634-A1 · Sep 7, 2023 · US
Device for rotating utility pole and method for controlling position
US-2023192450-A1 · Jun 22, 2023 · US
Guidance system
US-2022363520-A1 · Nov 17, 2022 · US
Load transfer system for stands of tubulars
US-10822889-B2 · Nov 3, 2020 · US
Rig-floor pipe lifting machine
US-10745985-B2 · Aug 18, 2020 · US
Egg lifting device, and associated systems and methods
US-10640333-B2 · May 5, 2020 · US
Handling and recovery devices for tubular members and associated methods
US-10626684-B2 · Apr 21, 2020 · US
Load transfer system for stands of tubulars
US-2019352977-A1 · Nov 21, 2019 · US
Egg lifting device, and associated systems and methods
US-2019256326-A1 · Aug 22, 2019 · US
Egg lifting device, and associated systems and methods
US-10336585-B2 · Jul 2, 2019 · US
Handling and recovery devices for tubular members and associated methods
US-2019106949-A1 · Apr 11, 2019 · US
Self-locking clamp apparatus and methods of use thereof
US-10232898-B2 · Mar 19, 2019 · US
Self-locking clamp apparatus and methods of use thereof
US-2019009847-A1 · Jan 10, 2019 · US
Rig-floor pipe lifting machine
US-2018334865-A1 · Nov 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66C1/44?
- CPC B66C1/44 is the Cooperative Patent Classification code for “and applying frictional forces.”
- How many patents are filed under CPC B66C1/44 (and applying frictional forces)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC B66C1/44 growing?
- Publication counts under this code: 3 in 2023 vs 4 in 2025 (latest complete years).