B05D 7/225
Coating inside the pipe
Official title: {Coating inside the pipe}
B05D7/225 (Coating inside the pipe) appears on 72 US grants and 94 published applications in this corpus.
Search patents in B05D- Granted patents
- 72
- Published applications
- 94
- Assignees
- 60
- Inventors
- 157
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 4 |
| 2017 | 2 | 0 |
| 2018 | 3 | 3 |
| 2019 | 2 | 5 |
| 2020 | 3 | 11 |
| 2021 | 7 | 16 |
| 2022 | 10 | 21 |
| 2023 | 14 | 14 |
| 2024 | 11 | 6 |
| 2025 | 8 | 4 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Balloon occlusion catheter23 Jun 2026US 12,661,481 B2Crannmed Limited
- Antifouling coatings and methods for coating substrates9 Jun 2026US 12,649,169 B2InnoTech Alberta Inc.
- Methods for self-assembling monolayers to mitigate hydrogen permeation24 Mar 2026US 12,583,015 B2National Research Council of Canada
- Method of pretreating a pipeline or apparatus17 Mar 2026US 12,576,430 B2Pig Sweep, LLC
- Tube having an interior lubricious coating and systems and methods of applying the same3 Mar 2026US 12,564,701 B2Crannmed Limited
- Movable coating system16 Jul 2026US 2026/0199935 A1Saudi Arabian Oil Company
- Anti-corrosion coating for protection of inner surfaces of pipes27 Nov 2025US 2025/0361969 A1
- Coating for maintenance of underground pipes16 Oct 2025US 2025/0320377 A1Magiechem Inc.
- Coating compositions for erosion mitigation, and coated components and methods using said coatings31 Jul 2025US 2025/0242381 A1Chevron U.S.A.Inc.
- Surface treatment6 Mar 2025US 2025/0075101 A1Interphase Materials Inc.
Most cited
By later US patents
- Formation of a lining in pipelines27US 4,439,469 AInsituform International N.V. · 1984
- System and method of reducing erosion in frac applications17US 10,151,188 B2GE Oil & Gas Pressure Control LP · 2018
- Methods for preparing coating compositions for protecting oilfield operational components16US 11,198,794 B2Formula No. 37, LLC · 2021
- Methods for preparing coating compositions for protecting oilfield operational components14US 11,149,167 B1Formula No. 37, LLC · 2021
- Apparatus for assembling a liner6US 6,953,307 B2SORD Technologies Limited · 2005