G01N 9/08
Investigating density or specific gravity of materials: by measuring buoyant force of
Official title: by measuring buoyant force of solid materials by weighing both in air and in a liquid
G01N9/08 (Investigating density or specific gravity of materials: by measuring buoyant force of) appears on 34 US grants and 21 published applications in this corpus.
Search patents in G01N- Granted patents
- 34
- Published applications
- 21
- Assignees
- 23
- Inventors
- 64
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
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| 1991 | 2 | 0 |
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| 1995 | 1 | 0 |
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| 1997 | 1 | 0 |
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| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 5 | 2 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 4 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Specific gravity measurement device29 Sep 2026US 12,748,027 B2Alfa Mirage Co., Ltd.
- Method and assembly for measuring solid precipitation in drilling fluids1 Sep 2026US 12,723,959 B2Istanbul Teknik Universitesi
- Automatic measuring machine, manufacturing facility and method26 Aug 2025US 12,399,096 B2Dimensionics GmbH
- Method for measuring densities based on circular magnetic levitation23 Apr 2024US 11,965,904 B2Zhejiang University
- Method and rheometer for determining the density of an at least flowable, in particular liquid, specimen5 Mar 2024US 11,921,022 B2Anton Paar GmbH
- Method and assembly for measuring solid precipitation in drilling fluids26 Sep 2024US 2024/0319060 A1Istanbul Teknik Universitesi
- Specific Gravity Measurement Device28 Mar 2024US 2024/0102905 A1Alfa Mirage Co., Ltd.
- Battery cell jig comprising spacer laminate, apparatus comprising same for measuring volume of battery cell, and method for measuring volume of battery cell using same2 Nov 2023US 2023/0352752 A1LG Energy Solution, Ltd.
- Buoyometer27 Jul 2023US 2023/0236101 A9
- Battery cell jig comprising spacer, apparatus comprising same for measuring volume of battery cell, and method for measuring volume of battery cell using same9 Mar 2023US 2023/0073871 A1LG Energy Solution, Ltd.
Most cited
By later US patents
- Weight, volume or density measuring system25US 4,372,405 A1983
- Methods and apparatus for sealing a porous material sample for density determination using water displacement methods and associated surface conformal resilient compressible bags20US 6,321,589 B1InstroTek, Inc. · 2001
- Apparatus and method for resultant-weight measuring system16US 5,076,107 AG. D. Searle & Co. · 1991
- Method and apparatus for measuring the density of an object including a living being15US 5,052,405 A1991
- Method and apparatus for magnetic levitation12US 6,595,041 B22003