G01N 11/105
By detecting the balance position of a float moving in a duct
Official title: {by detecting the balance position of a float moving in a duct conveying the fluid under test}
G01N11/105 (By detecting the balance position of a float moving in a duct) appears on 6 US grants and 2 published applications in this corpus.
Search patents in G01N- Granted patents
- 6
- Published applications
- 2
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 7 Apr 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Clot detection methods for clotting time testing7 Apr 2020US 10,613,077 B2Medtronic Vascular, Inc.
- Apparatus for checking need for maintenance and viscometer1 Oct 2019US 10,429,285 B2Valmet Automation Oy
- Method and apparatus for detecting viscosity changes in fluids13 May 1997US 5,629,209 A
- Rheometer20 Aug 1991US 5,040,410 AThe Research Foundation of State University of New York
- Viscosimeter23 Oct 1990US 4,964,297 A
Most cited
By later US patents
- Method and apparatus for detecting viscosity changes in fluids90US 5,629,209 A1997
- Rheometer11US 5,040,410 AThe Research Foundation of State University of New York · 1991
- Float for fluid measurements5US 4,873,872 A1989
- Apparatus for checking need for maintenance and viscometer4US 10,429,285 B2Valmet Automation Oy · 2019
- Viscosimeter1US 4,964,297 A1990