System and method for supplying a lubrication point with lubricating oil
US-2025101892-A1 · Mar 27, 2025 · US
Rolls; Their bearings (in general F16C13/00)
Rolls; Their bearings (in general F16C13/00) · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D21G1/02 |
| Official title | Rolls; Their bearings (in general F16C13/00) |
| Display label | Rolls; Their bearings (in general F16C13/00) |
| Total patents | 29 |
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 | 5 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Brake of an idler roll of a fiber web machine, in particular of a slitter-winder
US-11970352-B2 · Apr 30, 2024 · US
Smooth and bulky rolled tissue products
US-11548258-B2 · Jan 10, 2023 · US
Brake of an Idler Roll of a Fiber Web Machine, in particular of a Slitter-winder
US-2022267113-A1 · Aug 25, 2022 · US
Device having free-running cooling rollers for producing a fibre composite material in the form of a fibre strip impregnated with polymer
US-11383464-B2 · Jul 12, 2022 · US
Fibrous web manufacturing roll with cover having functional layer with nanocellulose material
US-11339536-B2 · May 24, 2022 · US
Tissue rolls having variable cross-machine direction properties
US-11085150-B2 · Aug 10, 2021 · US
Device having free-running cooling rollers for producing a fibre composite material in the form of a fibre strip impregnated with polymer, a method for producing said fibre strip, an impregnated fibre strip and a multi-layer composite produced from the impregnated fibre strip
US-2021129459-A1 · May 6, 2021 · US
Roll and its use
US-10900173-B2 · Jan 26, 2021 · US
Fibrous Web Manufacturing Roll with Cover Having Functional Layer with Nanocellulose (as amended)
US-2020407917-A1 · Dec 31, 2020 · US
Smooth and bulky rolled tissue products
US-2020406574-A1 · Dec 31, 2020 · US
Smooth and bulky rolled tissue products
US-10814579-B2 · Oct 27, 2020 · US
Method for producing or machining a roller, roller and functional layer of a roller
US-10655276-B2 · May 19, 2020 · US
Tissue rolls having variable cross-machine direction properties
US-2020131706-A1 · Apr 30, 2020 · US
Roll and its use
US-2019161913-A1 · May 30, 2019 · US
Smooth and bulky rolled tissue products
US-2018311924-A1 · Nov 1, 2018 · US
Smooth and bulky rolled tissue products
US-10040265-B2 · Aug 7, 2018 · US
Smooth and bulky rolled tissue products
US-2018056621-A1 · Mar 1, 2018 · US
Method For Producing Or Machining A Roller, Roller And Functional Layer Of A Roller
US-2017247838-A1 · Aug 31, 2017 · US
Sensor roll
US-9745698-B2 · Aug 29, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21G1/02?
- CPC D21G1/02 is the Cooperative Patent Classification code for “Rolls; Their bearings (in general F16C13/00).”
- How many patents are filed under CPC D21G1/02 (Rolls; Their bearings (in general F16C13/00))?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC D21G1/02 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).