G01F 1/00
Measuring the volume flow or mass flow of fluid or fluent solid
Official title: Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow (measuring a proportion of the volume flow G01F5/00)
G01F1/00 (Measuring the volume flow or mass flow of fluid or fluent solid) appears on 14,656 US grants and 11,490 published applications in this corpus.
Search patents in G01F- Granted patents
- 14,656
- Published applications
- 11,490
- Assignees
- 4,590
- Inventors
- 21,095
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 150 | 0 |
| 1977 | 152 | 0 |
| 1978 | 146 | 0 |
| 1979 | 122 | 0 |
| 1980 | 146 | 0 |
| 1981 | 163 | 0 |
| 1982 | 146 | 0 |
| 1983 | 162 | 0 |
| 1984 | 224 | 0 |
| 1985 | 182 | 0 |
| 1986 | 153 | 0 |
| 1987 | 157 | 0 |
| 1988 | 186 | 0 |
| 1989 | 227 | 0 |
| 1990 | 231 | 0 |
| 1991 | 206 | 0 |
| 1992 | 178 | 0 |
| 1993 | 202 | 0 |
| 1994 | 245 | 0 |
| 1995 | 232 | 0 |
| 1996 | 209 | 0 |
| 1997 | 182 | 0 |
| 1998 | 262 | 0 |
| 1999 | 187 | 0 |
| 2000 | 192 | 0 |
| 2001 | 233 | 65 |
| 2002 | 254 | 221 |
| 2003 | 339 | 275 |
| 2004 | 288 | 327 |
| 2005 | 288 | 340 |
| 2006 | 293 | 334 |
| 2007 | 302 | 367 |
| 2008 | 265 | 390 |
| 2009 | 262 | 390 |
| 2010 | 314 | 393 |
| 2011 | 318 | 409 |
| 2012 | 278 | 387 |
| 2013 | 338 | 426 |
| 2014 | 351 | 483 |
| 2015 | 395 | 608 |
| 2016 | 467 | 587 |
| 2017 | 492 | 605 |
| 2018 | 483 | 649 |
| 2019 | 626 | 653 |
| 2020 | 685 | 676 |
| 2021 | 489 | 613 |
| 2022 | 520 | 600 |
| 2023 | 505 | 497 |
| 2024 | 487 | 482 |
| 2025 | 443 | 414 |
| 2026 | 299 | 299 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01F 1/05Measuring the volume flow or mass flow of fluid or fluent solid4,916
- G01F 1/68Measuring the volume flow or mass flow of fluid or fluent solid3,082
- G01F 1/66Measuring the volume flow or mass flow of fluid or fluent solid2,895
- G01F 1/76Devices for measuring mass flow of a fluid or a fluent solid2,311
- G01F 1/56Measuring the volume flow or mass flow of fluid or fluent solid1,491
- G01F 1/74Devices for measuring flow of a fluid or flow of a fluent1,412
- G01F 1/704Measuring the volume flow or mass flow of fluid or fluent solid1,041
- G01F 1/002Wherein the flow is in an open channel331
Recent patents
- Systems and methods for preventing and removing chemical deposits in a fluid heating device6 Oct 2026US 12,753,950 B2Rheem Manufacturing Company
- Apparatus for measuring and displaying the impulse of a liquid stream6 Oct 2026US 12,754,047 B2
- Flow switch with variable orifice6 Oct 2026US 12,754,048 B2Barksdale, Inc.
- Apparatus with optical feature changing visual state6 Oct 2026US 12,754,049 B2Medici Therapeuticals, Inc.
- Device for measuring a fluid6 Oct 2026US 12,754,050 B2PIETRO FIORENTINI S.p.A.
- Apparatus and method for preserving beverages with remote-controlled system monitoring and data evaluation with feedback8 Oct 2026US 2026/0305632 A1LANXESS Deutschland GmbH
- Flow meter8 Oct 2026US 2026/0309526 A1Webtec Products Limited
- Method for determining a flow rate of a fluid independent of the thermal properties of the fluid8 Oct 2026US 2026/0309527 A1Berkin B.V.
- Interface with improved accessibility8 Oct 2026US 2026/0309530 A1Micro Motion, Inc.
- Interface with improved accessibility8 Oct 2026US 2026/0309531 A1Micro Motion, Inc.
Most cited
By later US patents
- System and method for telemetrically providing intrabody spatial position621US 6,239,724 B1Remon Medical Technologies, Ltd. · 2001
- Delivery of aerosol medications for inspiration598US 5,404,871 AAradigm Corporation · 1995
- Immersible thermal mass flow meter595US 6,971,274 B2Sierra Instruments, Inc. · 2005
- Method for wide range gas flow system with real time flow measurement and correction590US 6,119,710 ACyber Instrument Technologies LLC · 2000
- Flow measurement system584US 4,827,430 ABaxter International Inc. · 1989