Optical gravimeter based on fabry-perot interferometers with frequency reading
US-2025208313-A1 · Jun 26, 2025 · US
using free-fall time
using free-fall time · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01V7/14 |
| Official title | using free-fall time |
| Display label | using free-fall time |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tri-axial magnetic field correction coil, physical package, physical package for optical lattice clock, physical package for atomic clock, physical package for atom interferometer, physical package for quantum information processing device, and physical package system
US-12211647-B2 · Jan 28, 2025 · US
Absolute gravimeter and measurement method based on vacuum optical tweezers
US-12174335-B2 · Dec 24, 2024 · US
High Fidelity Robust Atom Optics
US-2024319402-A1 · Sep 26, 2024 · US
Ball-Loading Device For Fee Fall Experiment
US-2024295671-A1 · Sep 5, 2024 · US
Atom Beam Generation Device, Physical Package, Optical Lattice Clock Physical Package, Atomic Clock Physical Package, Atomic Interferometer Physical Package, Quantum Information Processing Device Physical Package, and Physical Package System
US-2024126215-A1 · Apr 18, 2024 · US
Triaxial magnetic field correction coil, physics package, physics package for optical lattice clock, physics package for atomic clock, physics package for atom interferometer, physics package for quantum information processing device, and physics package system
US-11929754-B2 · Mar 12, 2024 · US
Optical lattice clock and magnetic field correction method for optical lattice clock
US-11894854-B2 · Feb 6, 2024 · US
Absolute gravimeter and measurement method based on vacuum optical tweezers
US-2023243998-A1 · Aug 3, 2023 · US
Physical Package for Optical Lattice Clock
US-2023229115-A1 · Jul 20, 2023 · US
Optical Lattice Clock and Magnetic Field Correction Method for Optical Lattice Clock
US-2023216513-A1 · Jul 6, 2023 · US
Triaxial Magnetic Field Correction Coil, Physics Package, Physics Package for Optical Lattice Clock, Physics Package for Atomic Clock, Physics Package for Atom Interferometer, Physics Package for Quantum Information Processing Device, and Physics Package System
US-2023134841-A1 · May 4, 2023 · US
Tri-Axial Magnetic Field Correction Coil, Physical Package, Physical Package for Optical Lattice Clock, Physical Package for Atomic Clock, Physical Package for Atom Interferometer, Physical Package for Quantum Information Processing Device, and Physical Package System
US-2023120920-A1 · Apr 20, 2023 · US
Gravity gradiometer
US-11269111-B2 · Mar 8, 2022 · US
IR timing apparatus for measuring acceleration
US-11119246-B2 · Sep 14, 2021 · US
Measurement apparatus with circuitry for measuring acceleration
US-11119247-B2 · Sep 14, 2021 · US
Gravity gradiometer
US-2020386906-A1 · Dec 10, 2020 · US
Ir timing apparatus for measuring acceleration
US-2019033485-A1 · Jan 31, 2019 · US
Measurement apparatus with circuitry for measuring acceleration
US-2019025457-A1 · Jan 24, 2019 · US
LED/photodiode apparatus for measuring acceleration
US-10126461-B2 · Nov 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01V7/14?
- CPC G01V7/14 is the Cooperative Patent Classification code for “using free-fall time.”
- How many patents are filed under CPC G01V7/14 (using free-fall time)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC G01V7/14 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).