Power steering device
US-10077067-B2 · Sep 18, 2018 · US
of worm type
of worm type · 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 | B62D3/04 |
| Official title | of worm type |
| Display label | of worm type |
| Total patents | 200 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 17 |
| 2017 | 16 |
| 2018 | 27 |
| 2019 | 18 |
| 2020 | 23 |
| 2021 | 23 |
| 2022 | 24 |
| 2023 | 12 |
| 2024 | 8 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automobile reducer
US-10054194-B2 · Aug 21, 2018 · US
Clippable shutter with a deflector skirt for a steering housing
US-10054214-B2 · Aug 21, 2018 · US
Reducer of electric power-assisted steering apparatus
US-2018216719-A1 · Aug 2, 2018 · US
Steering column for vehicle
US-2018194387-A1 · Jul 12, 2018 · US
Independent steering mechanism of controllable hydraulic locking type for left and right wheels
US-9988079-B2 · Jun 5, 2018 · US
Motor driven power steering system
US-9969423-B2 · May 15, 2018 · US
Worm drive
US-2018112763-A1 · Apr 26, 2018 · US
Reducer of electric power steering apparatus
US-2018100567-A1 · Apr 12, 2018 · US
Electric power steering system
US-9937949-B2 · Apr 10, 2018 · US
Reducer of eletric power steering device
US-2018094716-A1 · Apr 5, 2018 · US
Independent steering mechanism of controllable hydraulic locking type for left and right wheels
US-2018057044-A1 · Mar 1, 2018 · US
Metal core for resin gear and resin gear composite member
US-9856965-B2 · Jan 2, 2018 · US
Ball Screw Device and Steering System
US-2017350481-A1 · Dec 7, 2017 · US
Ball Screw Device, Steering System Using Ball Screw Device, and Method for Producing Retainer of Ball Screw Device
US-2017350482-A1 · Dec 7, 2017 · US
Gear reducer having a sealing plug providing axial support to a spring for gear slack compensation
US-9835240-B2 · Dec 5, 2017 · US
Ball Screw Device and Steering System
US-2017343087-A1 · Nov 30, 2017 · US
Electric power steering system
US-2017341680-A1 · Nov 30, 2017 · US
Angle superimposition apparatus for a vehicle steering device
US-9789898-B2 · Oct 17, 2017 · US
Worm shaft subassembly
US-9744987-B2 · Aug 29, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B62D3/04?
- CPC B62D3/04 is the Cooperative Patent Classification code for “of worm type.”
- How many patents are filed under CPC B62D3/04 (of worm type)?
- Our database includes 200 publications tagged with this CPC code.
- Is patent activity under CPC B62D3/04 growing?
- Publication counts under this code: 8 in 2024 vs 16 in 2025 (latest complete years).