F15D 1/02
In pipes or conduits
Official title: in pipes or conduits
F15D1/02 (In pipes or conduits) appears on 730 US grants and 757 published applications in this corpus.
Search patents in F15D- Granted patents
- 730
- Published applications
- 757
- Assignees
- 546
- Inventors
- 1,648
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 12 | 0 |
| 1995 | 4 | 0 |
| 1996 | 15 | 0 |
| 1997 | 6 | 0 |
| 1998 | 16 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 4 |
| 2002 | 10 | 9 |
| 2003 | 9 | 7 |
| 2004 | 11 | 18 |
| 2005 | 11 | 13 |
| 2006 | 5 | 17 |
| 2007 | 5 | 13 |
| 2008 | 8 | 17 |
| 2009 | 4 | 16 |
| 2010 | 9 | 19 |
| 2011 | 12 | 22 |
| 2012 | 16 | 30 |
| 2013 | 19 | 26 |
| 2014 | 21 | 31 |
| 2015 | 29 | 33 |
| 2016 | 29 | 51 |
| 2017 | 23 | 39 |
| 2018 | 37 | 55 |
| 2019 | 46 | 42 |
| 2020 | 37 | 54 |
| 2021 | 45 | 51 |
| 2022 | 41 | 50 |
| 2023 | 41 | 53 |
| 2024 | 43 | 33 |
| 2025 | 46 | 32 |
| 2026 | 21 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low solidity coalescing tube bundle elbow15 Sep 2026US 12,736,072 B2Hamilton Sundstrand Corporation
- Cooling structure8 Sep 2026US 12,732,057 B2Resonac Corporation
- Apparatuses, systems, and methods for efficient fluid transfer18 Aug 2026US 12,710,064 B2Amptech Innovations LLC
- Flowmeter with conditioning orifice plate11 Aug 2026US 12,704,393 B2Rosemount Inc.
- Liquid filling method, and device for implementing the same method4 Aug 2026US 12,698,790 B2Endentics Co., Ltd.
- Flow-optimized line connector, and line connector assembly10 Sep 2026US 2026/0266407 A1Norma Germany GmbH
- Flow-optimized line connector, and line connector assembly10 Sep 2026US 2026/0266408 A1Norma Germany GmbH
- Systems and apparatus for controlling fluid flow10 Sep 2026US 2026/0271650 A1Ichor Systems, Inc.
- Fixing structure for laminar flow element and flow rate control device27 Aug 2026US 2026/0251161 A1Fujikin Incorporated
- Liquid filling method, and device for implementing the same method16 Jul 2026US 2026/0201915 A1Endentics Co., Ltd.
Most cited
By later US patents
- Flow conditioner for more accurate measurement of fluid flow133US 5,495,872 AIntegrity Measurement Partners · 1996
- System and method for thermal management by synthetic jet ejector channel cooling techniques126US 6,588,497 B1Georgia Tech Research Corporation · 2003
- Flow conditioner profile plate for more accurate measurement of fluid flow118US 5,529,093 AIntegrity Measurement Partners · 1996
- Mechanism to reduce turning losses in conduits106US 5,213,138 AUnited Technologies Corporation · 1993
- Flow duct for the flue gas of a flue gas-cleaning plant102US 4,919,170 AFlachglas Aktiengesellschaft · 1990