G01F 1/42
Orifices or nozzles
G01F1/42 (Orifices or nozzles) appears on 437 US grants and 341 published applications in this corpus.
Search patents in G01F- Granted patents
- 437
- Published applications
- 341
- Assignees
- 250
- Inventors
- 821
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 3 |
| 2002 | 5 | 8 |
| 2003 | 12 | 9 |
| 2004 | 5 | 6 |
| 2005 | 7 | 9 |
| 2006 | 8 | 13 |
| 2007 | 8 | 13 |
| 2008 | 11 | 11 |
| 2009 | 10 | 18 |
| 2010 | 7 | 9 |
| 2011 | 12 | 9 |
| 2012 | 8 | 7 |
| 2013 | 6 | 12 |
| 2014 | 5 | 14 |
| 2015 | 12 | 19 |
| 2016 | 18 | 24 |
| 2017 | 12 | 17 |
| 2018 | 26 | 15 |
| 2019 | 16 | 18 |
| 2020 | 15 | 15 |
| 2021 | 10 | 19 |
| 2022 | 16 | 18 |
| 2023 | 22 | 14 |
| 2024 | 15 | 18 |
| 2025 | 19 | 17 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flowmeter with conditioning orifice plate11 Aug 2026US 12,704,393 B2Rosemount Inc.
- Multi-phase fluid measurement using low activity sources23 Jun 2026US 12,663,348 B2Schlumberger Technology Corporation
- Diagnostic method for a flow measurement apparatus with effective pressure lines with vibration measurement10 Mar 2026US 12,571,670 B2Siemens Aktiengesellschaft
- System for measuring flow within a pipeline3 Feb 2026US 12,540,839 B2Saudi Arabian Oil Company
- Systems and methods for subsurface metal recovery9 Dec 2025US 12,492,445 B2Freeport Minerals Corporation
- System and method for carbon emission reduction1 Oct 2026US 2026/0298683 A1Ge Digital Holdings LLC
- Predicting intended flowrate of fluid25 Jun 2026US 2026/0177409 A1Precision Planting LLC
- Nozzle manifold assembly18 Jun 2026US 2026/0168829 A1The Aerospace Corporation
- Channel structure, fluid measurement apparatus, and fluid control apparatus28 May 2026US 2026/0146876 A1HORIBA STEC, Co., Ltd.
- Flow sensor22 Jan 2026US 2026/0022956 A1Honeywell UK Limited
Most cited
By later US patents
- Portable drag compressor powered mechanical ventilator220US 5,868,133 ABird Products Corporation · 1999
- Portable drag compressor powered mechanical ventilator201US 6,877,511 B2Bird Products Corporation · 2005
- Portable drag compressor powered mechanical ventilator180US 6,526,970 B22003
- Portable drag compressor powered mechanical ventilator146US 5,694,926 ABird Products Corporation · 1997
- Differential pressure based flow sensor assembly for medication delivery monitoring and method of using the same143US 8,403,908 B2Hospira, Inc. · 2013