G01F 1/46
Pitot tubes
G01F1/46 (Pitot tubes) appears on 349 US grants and 252 published applications in this corpus.
Search patents in G01F- Granted patents
- 349
- Published applications
- 252
- Assignees
- 203
- Inventors
- 558
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 0 |
| 2002 | 8 | 2 |
| 2003 | 6 | 7 |
| 2004 | 4 | 6 |
| 2005 | 5 | 6 |
| 2006 | 4 | 4 |
| 2007 | 8 | 4 |
| 2008 | 3 | 6 |
| 2009 | 6 | 10 |
| 2010 | 7 | 7 |
| 2011 | 7 | 9 |
| 2012 | 3 | 5 |
| 2013 | 8 | 6 |
| 2014 | 5 | 12 |
| 2015 | 13 | 18 |
| 2016 | 20 | 22 |
| 2017 | 20 | 22 |
| 2018 | 21 | 18 |
| 2019 | 10 | 15 |
| 2020 | 14 | 14 |
| 2021 | 17 | 19 |
| 2022 | 13 | 13 |
| 2023 | 15 | 7 |
| 2024 | 8 | 11 |
| 2025 | 6 | 7 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Linear variable differential pitot tube7 Jul 2026US 12,674,692 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Multi-hole pressure probe and use of such a probe30 Jun 2026US 12,669,356 B2Isak Jonsson AB
- Algorithm for independent detection of probe blockages5 May 2026US 12,618,863 B2Rosemount Aerospace Inc.
- System for ensuring failsafe operation of pitot tube covers for multiple types of pitot tubes10 Feb 2026US 12,546,798 B2DeGroff Aviation Technologies
- Infrastructure monitoring devices, systems, and methods3 Feb 2026US 12,539,437 B2Mueller International, LLC
- Modular landfill gas measurement6 Aug 2026US 2026/0227324 A1EcoTec Solutions, Inc.
- Online monitoring system for flue gas carbon dioxide emissions26 Feb 2026US 2026/0056175 A1Datang Environment Industry Group Col., Ltd.
- Air duct airflow sensor20 Nov 2025US 2025/0354843 A1Tyco Fire & Security GmbH
- Flight control methods for operating close formation flight13 Nov 2025US 2025/0346374 A1Sunlight Aerospsce Inc
- Algorithm for independent detection of probe blockages21 Aug 2025US 2025/0264494 A1Rosemount Aerospace Inc.
Most cited
By later US patents
- Flow measuring apparatus241US 5,443,075 APuritan-Bennett Corporation · 1995
- Tubing connector115US 6,089,105 ACardioPulmonary Technologies, Inc. · 2000
- Flow meter system105US 5,038,773 AMedical Graphics Corporation · 1991
- Differential pressure flowmeter with enhanced signal processing for respiratory flow measurement101US 5,347,843 AKorr Medical Technologies, Inc. · 1994
- Respiratory air flow sensor100US 5,925,831 ACardioPulmonary Technologies, Inc. · 1999