Low inertia laminated rotor
US-2018372101-A1 · Dec 27, 2018 · US
with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04C18/126 |
| Official title | {with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type} |
| Display label | with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type |
| Total patents | 201 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 16 |
| 2017 | 19 |
| 2018 | 19 |
| 2019 | 25 |
| 2020 | 20 |
| 2021 | 14 |
| 2022 | 26 |
| 2023 | 17 |
| 2024 | 13 |
| 2025 | 18 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Supercharger inlet panels
US-2018306191-A1 · Oct 25, 2018 · US
Hydrogen circulation pump for fuel cell
US-2018283378-A1 · Oct 4, 2018 · US
Intake Air Boost System For Two-Cycle Engine Having Roots Blowers
US-2018252153-A1 · Sep 6, 2018 · US
Press fit timing gear having web configuration and insert molded coupling for supercharger
US-2018202444-A1 · Jul 19, 2018 · US
Supercharger integral resonator
US-2018171865-A1 · Jun 21, 2018 · US
Supercharger having constant lead helix angle timing gears
US-2018100430-A1 · Apr 12, 2018 · US
Bearing plate for supercharger
US-2018100544-A1 · Apr 12, 2018 · US
Low inertia laminated rotor
US-9932983-B2 · Apr 3, 2018 · US
Fluid machine for vehicle
US-2018087511-A1 · Mar 29, 2018 · US
Vacuum pump rotor for a vacuum pump having a roots pumping mechanism
US-9920761-B2 · Mar 20, 2018 · US
Preloaded Bearing
US-2018073508-A1 · Mar 15, 2018 · US
Hermetic vacuum pump isolation valve
US-2018058453-A1 · Mar 1, 2018 · US
Optimized helix angle rotors for roots-style supercharger
US-9822781-B2 · Nov 21, 2017 · US
Composite molded rotary component
US-2017298733-A1 · Oct 19, 2017 · US
Motor-driven compressor and cooling system
US-2017274728-A1 · Sep 28, 2017 · US
Segmented rotor form for superchargers and expanders
US-2017260981-A1 · Sep 14, 2017 · US
Multi-stage vacuum pump
US-9739278-B2 · Aug 22, 2017 · US
Cartridge style front cover and coupling cavity sleeve for automotive supercharger
US-2017227010-A1 · Aug 10, 2017 · US
Vacuum pump
US-2017204858-A1 · Jul 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C18/126?
- CPC F04C18/126 is the Cooperative Patent Classification code for “with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type.”
- How many patents are filed under CPC F04C18/126 (with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type)?
- Our database includes 201 publications tagged with this CPC code.
- Is patent activity under CPC F04C18/126 growing?
- Publication counts under this code: 13 in 2024 vs 18 in 2025 (latest complete years).