Drilling device, in particular suction drilling device, for drilling a drill hole
US-2024316654-A1 · Sep 26, 2024 · US
Tools therefor (drill bits for earth or rock drilling E21B10/00)
Tools therefor (drill bits for earth or rock drilling E21B10/00) · 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 | B28D1/146 |
| Official title | {Tools therefor (drill bits for earth or rock drilling E21B10/00)} |
| Display label | Tools therefor (drill bits for earth or rock drilling E21B10/00) |
| Total patents | 79 |
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 | 2 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 13 |
| 2021 | 11 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and apparatus for forming an aperture in a composite component
US-11529689-B2 · Dec 20, 2022 · US
Suction-Extraction Adapter
US-2022355430-A1 · Nov 10, 2022 · US
One-piece cutting head for a drill bit
US-2022297204-A1 · Sep 22, 2022 · US
Self-hammering cutting tool
US-11400613-B2 · Aug 2, 2022 · US
Apparatus for limiting equipment burden when penetrating a mixed or composite material structure including metal utilizing a hammer-drill
US-11351666-B2 · Jun 7, 2022 · US
Application Tool and Method for Producing an Application Tool
US-2022097220-A1 · Mar 31, 2022 · US
Machining segment for the dry machining of concrete materials
US-2022055184-A1 · Feb 24, 2022 · US
Drilling Tool
US-2021331350-A1 · Oct 28, 2021 · US
Laminated glass article with aperture formed therein and methods for forming the same
US-11155494-B2 · Oct 26, 2021 · US
Magnetic base
US-2021308858-A1 · Oct 7, 2021 · US
Insert Tool and Method for Producing an Insert Tool
US-2021252686-A1 · Aug 19, 2021 · US
Methods and apparatus for forming an aperture in a composite component
US-2021213541-A1 · Jul 15, 2021 · US
Manufacturing Process, Tool Stand, and Drill Bit
US-2021154728-A1 · May 27, 2021 · US
Method for machining drill with tilting blade slot structures for composite machining
US-2021107109-A1 · Apr 15, 2021 · US
Drill bit
US-10947788-B2 · Mar 16, 2021 · US
Manufacturing process, tool stand, and drill bit
US-10940527-B2 · Mar 9, 2021 · US
Method for setting a screw
US-10935065-B2 · Mar 2, 2021 · US
Tool head and glass or glass ceramic article producible using the tool head
US-10926431-B2 · Feb 23, 2021 · US
Laminated glass article with aperture formed therein and methods for forming the same
US-2020299185-A1 · Sep 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B28D1/146?
- CPC B28D1/146 is the Cooperative Patent Classification code for “Tools therefor (drill bits for earth or rock drilling E21B10/00).”
- How many patents are filed under CPC B28D1/146 (Tools therefor (drill bits for earth or rock drilling E21B10/00))?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC B28D1/146 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).