G01N 1/20
For flowing or falling materials
Official title: for flowing or falling materials ({G01N1/2035} G01N1/12, G01N1/14 take precedence)
G01N1/20 (For flowing or falling materials) appears on 1,279 US grants and 979 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,279
- Published applications
- 979
- Assignees
- 807
- Inventors
- 2,510
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 17 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 15 | 0 |
| 1983 | 7 | 0 |
| 1984 | 15 | 0 |
| 1985 | 18 | 0 |
| 1986 | 22 | 0 |
| 1987 | 24 | 0 |
| 1988 | 12 | 0 |
| 1989 | 18 | 0 |
| 1990 | 19 | 0 |
| 1991 | 27 | 0 |
| 1992 | 29 | 0 |
| 1993 | 23 | 0 |
| 1994 | 44 | 0 |
| 1995 | 40 | 0 |
| 1996 | 20 | 0 |
| 1997 | 20 | 0 |
| 1998 | 28 | 0 |
| 1999 | 26 | 0 |
| 2000 | 18 | 0 |
| 2001 | 19 | 7 |
| 2002 | 21 | 26 |
| 2003 | 22 | 17 |
| 2004 | 16 | 19 |
| 2005 | 17 | 30 |
| 2006 | 15 | 18 |
| 2007 | 21 | 29 |
| 2008 | 17 | 25 |
| 2009 | 13 | 22 |
| 2010 | 20 | 32 |
| 2011 | 23 | 21 |
| 2012 | 18 | 25 |
| 2013 | 25 | 34 |
| 2014 | 26 | 49 |
| 2015 | 35 | 39 |
| 2016 | 31 | 43 |
| 2017 | 47 | 53 |
| 2018 | 35 | 53 |
| 2019 | 58 | 55 |
| 2020 | 51 | 74 |
| 2021 | 36 | 60 |
| 2022 | 48 | 52 |
| 2023 | 49 | 72 |
| 2024 | 55 | 49 |
| 2025 | 39 | 37 |
| 2026 | 35 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sample taking device, sample taking system and method of operating a sample taking device6 Oct 2026US 12,754,107 B2LockCon AG
- Fluidic network for positive displacement aseptic sampling29 Sep 2026US 12,748,122 B2Waters Technologies Corporation
- Method of acquiring liquid biological samples from an extracorporeal circuit for an extracorporeal blood purification treatment and related apparatus and system22 Sep 2026US 12,742,707 B2Azienda Ospedaliera Universitaria Meyer Irccs
- System and method for monitoring water quality22 Sep 2026US 12,742,766 B2OzGreen Energy Pty Ltd
- Monitoring the oil of a lubrication device25 Aug 2026US 12,716,368 B2Safran Aero Boosters SA
- Collapsible Funnel with Integrated Mesh Screen for Capturing Kidney Stones from Urine Flow8 Oct 2026US 2026/0306078 A1
- Identiffying and quantifying components in a high-melting-point liquid1 Oct 2026US 2026/0295611 A1Abilene Christian University
- Ball valve assembly having adjustable handle positions24 Sep 2026US 2026/0287070 A1Caleffi S.p.A.
- Sampling Device and Method for Taking Samples24 Sep 2026US 2026/0287476 A1Glatt GmbH
- Sampling apparatus, control method, control program, and water treatment system17 Sep 2026US 2026/0276487 A1Yokogawa Electric Corporation
Most cited
By later US patents
- Fluid sampling method151US 5,301,686 ACobe Laboratories, Inc. · 1994
- Fluid sampling apparatus149US 4,018,089 ABeckman Instruments, Inc. · 1977
- Fluid sampling module89US 5,442,969 ABaxter International Inc. · 1995
- Automated membrane filter sampler86US 5,005,430 AElectric Power Research Institute, Inc. · 1991
- Multi-function flow monitoring apparatus with area velocity sensor capability84US 5,633,809 AAmerican Sigma, Inc. · 1997