System and Method Involving a Variable Speed Cooling Fan Used With a Compressor and an Internal Combustion Engine
US-2018371981-A1 · Dec 27, 2018 · US
using electrical drives · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01P7/048 |
| Official title | {using electrical drives} |
| Display label | using electrical drives |
| Total patents | 168 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 13 |
| 2017 | 18 |
| 2018 | 22 |
| 2019 | 25 |
| 2020 | 23 |
| 2021 | 12 |
| 2022 | 16 |
| 2023 | 15 |
| 2024 | 3 |
| 2025 | 6 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2018371981-A1 · Dec 27, 2018 · US
US-2018266304-A1 · Sep 20, 2018 · US
US-2018245504-A1 · Aug 30, 2018 · US
US-10054031-B2 · Aug 21, 2018 · US
US-10050577-B2 · Aug 14, 2018 · US
US-10047758-B2 · Aug 14, 2018 · US
US-10044297-B2 · Aug 7, 2018 · US
US-9976473-B2 · May 22, 2018 · US
US-2018128155-A1 · May 10, 2018 · US
US-2018112586-A1 · Apr 26, 2018 · US
US-2018111444-A1 · Apr 26, 2018 · US
US-9945281-B2 · Apr 17, 2018 · US
US-9919714-B2 · Mar 20, 2018 · US
US-2018058303-A1 · Mar 1, 2018 · US
US-9869231-B2 · Jan 16, 2018 · US
US-9850909-B2 · Dec 26, 2017 · US
US-2017363095-A1 · Dec 21, 2017 · US
US-2017350305-A1 · Dec 7, 2017 · US
US-2017297585-A1 · Oct 19, 2017 · US
US-2017260896-A1 · Sep 14, 2017 · US
Answers are generated from the same data shown on this page.