B05D 7/146
To metallic pipes or tubes
Official title: {to metallic pipes or tubes (processes for coating the interior of pipes B05D7/222)}
B05D7/146 (To metallic pipes or tubes) appears on 145 US grants and 105 published applications in this corpus.
Search patents in B05D- Granted patents
- 145
- Published applications
- 105
- Assignees
- 128
- Inventors
- 383
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 3 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 4 |
| 2011 | 1 | 1 |
| 2012 | 3 | 1 |
| 2013 | 2 | 5 |
| 2014 | 1 | 4 |
| 2015 | 4 | 9 |
| 2016 | 1 | 4 |
| 2017 | 7 | 7 |
| 2018 | 4 | 10 |
| 2019 | 6 | 8 |
| 2020 | 7 | 3 |
| 2021 | 5 | 6 |
| 2022 | 5 | 12 |
| 2023 | 5 | 9 |
| 2024 | 3 | 6 |
| 2025 | 8 | 1 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrosion-resistant reservoir for an e-vaping device and method of manufacturing thereof8 Sep 2026US 12,729,308 B2Altria Client Services LLC
- Abrasion resistant coated tube14 Jul 2026US 12,680,629 B2Cooper-Standard Automotive Inc.
- 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
- Multilayer body and method for producing multilayer body17 Mar 2026US 12,576,426 B2Taisei Kako Co., Ltd.
- Automated sealant application to assembled hvac duct components and blanks for forming assembled hvac duct components2 Jul 2026US 2026/0185734 A1
- Corrosion-resistant reservoir for an e-vaping device and method of manufacturing thereof7 Aug 2025US 2025/0250442 A1Altria Client Services LLC
- Methods and systems for masking and racking metal pipe fittings during powder coating17 Oct 2024US 2024/0342751 A1Agile Sourcing Partners, Inc.
- Methods for self-assembling monolayers to mitigate hydrogen permeation17 Oct 2024US 2024/0342753 A1National Research Council of Canada
- Antifouling coatings and methods for coating substrates29 Aug 2024US 2024/0286169 A1InnoTech Alberta Inc.
Most cited
By later US patents
- Electro-optical assembly for image projection, especially in portable instruments56US 6,832,724 B2Symbol Technologies, Inc. · 2004
- Combined induction heating and coating system for pipe weld joints44US 4,595,607 AResource Engineering and Manufacturing Corp. · 1986
- Insulated pipe42US 6,397,895 B12002
- Method for co-reactive extrusion coating of pipe using thermosetting material39US 5,439,711 AW. R. Grace & Co.-Conn. · 1995
- Method of applying an impact resistant moisture impermeable resinous coating34US 4,752,497 AShaw Industries Ltd. · 1988