G01N 9/20
By balancing the weight of the bodies
Official title: by balancing the weight of the bodies
G01N9/20 (By balancing the weight of the bodies) appears on 23 US grants and 8 published applications in this corpus.
Search patents in G01N- Granted patents
- 23
- Published applications
- 8
- Assignees
- 14
- Inventors
- 40
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Buoyometer21 Nov 2023US 11,821,907 B2
- Liquid tank inspection including device for launching submersible10 Aug 2021US 11,087,895 B2ABB Power Grids Switzerland AG
- Method and apparatus for measuring the volume of an animal paw15 Jun 2010US 7,735,366 B2Merck Sharp & Dohme Corp.
- Fuel density measuring device, system, and method using magnetostrictive probe bouyancy25 Nov 2008US 7,454,969 B2Veeder-Root Company
- Method using magnetostrictive probe buoyancy for detecting fuel density22 Jul 2008US 7,403,860 B2Veeder-Root Company
- Buoyometer27 Jul 2023US 2023/0236101 A9
- Buoyometer8 Sep 2022US 2022/0283067 A1
- Soda analysis system and method7 Nov 2019US 2019/0339184 A1
- Liquid tank inspection including device for launching submersible19 Sep 2019US 2019/0287688 A1ABB Power Grids Switzerland AG
- Method and apparatus for measuring the volume of an animal paw19 Nov 2009US 2009/0282913 A1Merck Sharp & Dohme Corp.
Most cited
By later US patents
- Apparatus for measuring the specific gravity, weight, level, and/or volume of a liquid in a container38US 5,157,968 A1992
- Fluid displacement level, density and concentration measurement system28US 5,847,276 ASCP Global Technologies, Inc. · 1998
- Electronic hydrometer and method of determining the density of a liquid16US 4,400,978 A1983
- Rotameter with float guides15US 5,186,058 A1993
- Universal rotameter15US 5,193,400 A1993