Variably choked pressure rate-of-rise mass flow verifier
US-2025327695-A1 · Oct 23, 2025 · US
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using floats or liquids as sensing elements
using floats or liquids as sensing elements · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01L13/04 |
| Official title | using floats or liquids as sensing elements |
| Display label | using floats or liquids as sensing elements |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Differential oil-filled pressure transducers with compensating capsule
US-2025155307-A1 · May 15, 2025 · US
Computer generated emulation of a subject
US-11144597-B2 · Oct 12, 2021 · US
Systems and methods for pressure measurement
US-10962432-B2 · Mar 30, 2021 · US
Systems and methods for pressure measurement
US-2020284678-A1 · Sep 10, 2020 · US
Duplex pressure transducers
US-10203256-B2 · Feb 12, 2019 · US
Computer generated emulation of a subject
US-2018203946-A1 · Jul 19, 2018 · US
Computer generated emulation of a subject
US-9959368-B2 · May 1, 2018 · US
Duplex pressure transducers
US-2016349133-A1 · Dec 1, 2016 · US
Duplex pressure transducers
US-9423315-B2 · Aug 23, 2016 · US
Duplex pressure transducers
US-2015101414-A1 · Apr 16, 2015 · US
Computer generated emulation of a subject
US-2015052084-A1 · Feb 19, 2015 · US