Electric drive system for a pulseless positive displacement pump
US-9784265-B2 · Oct 10, 2017 · US
the means being mechanical
the means being mechanical · 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 | F04B35/01 |
| Official title | the means being mechanical |
| Display label | the means being mechanical |
| Total patents | 270 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 31 |
| 2017 | 23 |
| 2018 | 35 |
| 2019 | 29 |
| 2020 | 23 |
| 2021 | 23 |
| 2022 | 27 |
| 2023 | 14 |
| 2024 | 25 |
| 2025 | 18 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air maintenance tire assembly
US-2017282656-A9 · Oct 5, 2017 · US
Pulseless positive displacement pump and method of pulselessly displacing fluid
US-9777722-B2 · Oct 3, 2017 · US
Air compressor having supplemental power source
US-2017211428-A1 · Jul 27, 2017 · US
Method of pulselessly displacing fluid
US-2017191474-A1 · Jul 6, 2017 · US
Compressor and vacuum machine
US-9670916-B2 · Jun 6, 2017 · US
Compression machine with a body oscillating between two reversal points
US-9644619-B2 · May 9, 2017 · US
Reciprocating compressor
US-9605671-B2 · Mar 28, 2017 · US
Compressor with Crankshaft and Insert
US-2017016437-A1 · Jan 19, 2017 · US
A compressor train with a stirling engine
US-2016348661-A1 · Dec 1, 2016 · US
Membrane heat exchanger system and method
US-2016341498-A1 · Nov 24, 2016 · US
Reciprocating motor-compressor with integrated stirling engine
US-2016341187-A1 · Nov 24, 2016 · US
Near-isothermal compressor/expander
US-2016341224-A1 · Nov 24, 2016 · US
Two piece pump rod
US-2016319813-A1 · Nov 3, 2016 · US
Compressor Intake Muffler And Filter
US-2016298618-A1 · Oct 13, 2016 · US
Piston assembly for an unloader valve of an air compressor
US-2016298763-A1 · Oct 13, 2016 · US
Automatic truck assembly tire inflator system with dual pump
US-2016263949-A1 · Sep 15, 2016 · US
Reciprocating compressor
US-9441619-B2 · Sep 13, 2016 · US
Pump for integrated brake system
US-2016251007-A1 · Sep 1, 2016 · US
Compressor
US-2016195078-A1 · Jul 7, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B35/01?
- CPC F04B35/01 is the Cooperative Patent Classification code for “the means being mechanical.”
- How many patents are filed under CPC F04B35/01 (the means being mechanical)?
- Our database includes 270 publications tagged with this CPC code.
- Is patent activity under CPC F04B35/01 growing?
- Publication counts under this code: 25 in 2024 vs 18 in 2025 (latest complete years).