Automatic power control liquid particle counter with flow and bubble detection systems
US-10859487-B2 · Dec 8, 2020 · US
using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter (G01F1/76, G01F25/00 take precedence)
using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter (G01F1/76, G01F25/00 take precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01F1/704 |
| Official title | using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter (G01F1/76, G01F25/00 take precedence) |
| Display label | using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter (G01F1/76, G01F25/00 take precedence) |
| Total patents | 95 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 13 |
| 2021 | 7 |
| 2022 | 12 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piezoelectric alternating magnetic field flow meters
US-10690531-B2 · Jun 23, 2020 · US
Monitoring rig activities
US-2020190959-A1 · Jun 18, 2020 · US
Image based inspection and automated inventory and supply chain management of well equipment
US-2020190963-A1 · Jun 18, 2020 · US
Image based inspection of well equipment
US-2020190967-A1 · Jun 18, 2020 · US
Product runout tracking system and method
US-10645864-B2 · May 12, 2020 · US
System and method for measuring fluid properties using magnetic field techniques via magnetic tracer
US-10627269-B2 · Apr 21, 2020 · US
Magnetic sensing to determine material flows
US-2020080876-A1 · Mar 12, 2020 · US
Product runout tracking system and method
US-2020060071-A1 · Feb 27, 2020 · US
Infrared-based gas flowmeter
US-10564019-B2 · Feb 18, 2020 · US
Methods and systems of fluid flow rate measurement based on magnetization
US-2019368906-A1 · Dec 5, 2019 · US
Device for determining mass transport of a fluid and a substance dissolved in the fluid
US-10495503-B2 · Dec 3, 2019 · US
Automatic power control liquid particle counter with flow and bubble detection systems
US-2019323943-A1 · Oct 24, 2019 · US
Fluid inflow
US-10422677-B2 · Sep 24, 2019 · US
Fluorescent resin particles and use thereof
US-2019284320-A1 · Sep 19, 2019 · US
Piezoelectric Alternating Magnetic Field Flow Meters
US-2019271577-A1 · Sep 5, 2019 · US
Automatic power control liquid particle counter with flow and bubble detection systems
US-10371620-B2 · Aug 6, 2019 · US
Measuring rod for verification of a flowing medium in a tube and respective measuring arrangements
US-10359410-B2 · Jul 23, 2019 · US
Alternating magnetic field flow meters
US-10330511-B2 · Jun 25, 2019 · US
Tracer gas airflow measurement system with high turndown ratio
US-10295432-B2 · May 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01F1/704?
- CPC G01F1/704 is the Cooperative Patent Classification code for “using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter (G01F1/76, G01F25/00 take precedence).”
- How many patents are filed under CPC G01F1/704 (using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter (G01F1/76, G01F25/00 take precedence))?
- Our database includes 95 publications tagged with this CPC code.
- Is patent activity under CPC G01F1/704 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).