C25D 1/02
Tubes
Official title: Tubes; Rings; Hollow bodies
C25D1/02 (Tubes) appears on 166 US grants and 174 published applications in this corpus.
Search patents in C25D- Granted patents
- 166
- Published applications
- 174
- Assignees
- 131
- Inventors
- 454
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 4 |
| 2003 | 1 | 4 |
| 2004 | 5 | 5 |
| 2005 | 1 | 3 |
| 2006 | 2 | 7 |
| 2007 | 0 | 6 |
| 2008 | 1 | 7 |
| 2009 | 2 | 9 |
| 2010 | 2 | 5 |
| 2011 | 5 | 6 |
| 2012 | 4 | 8 |
| 2013 | 4 | 6 |
| 2014 | 3 | 13 |
| 2015 | 5 | 2 |
| 2016 | 6 | 17 |
| 2017 | 7 | 10 |
| 2018 | 6 | 10 |
| 2019 | 9 | 14 |
| 2020 | 11 | 9 |
| 2021 | 14 | 10 |
| 2022 | 0 | 5 |
| 2023 | 7 | 5 |
| 2024 | 5 | 6 |
| 2025 | 4 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing lithium salts16 Jun 2026US 12,655,498 B2Tenova Advanced Technologies Ltd.
- 3D printing-assisted multi-scale metal three-dimensional surface structure preparation method and product9 Jun 2026US 12,649,275 B2Dalian University of Technology
- Forming device and preparation method of graphite crucible8 Jul 2025US 12,351,927 B1Chongqing Jinhuineng New Materials co., Ltd
- Mandrel for electroforming11 Mar 2025US 12,247,312 B2Unison Industries, LLC
- Method of manufacturing flexible gear, method of manufacturing flexible gear unit, and gear11 Feb 2025US 12,222,029 B2Sony Corporation
- Method of electroforming a component16 Oct 2025US 2025/0320622 A1Unison Industries, LLC
- 3d printing-assisted multi-scale metal three-dimensional surface structure preparation method and product20 Mar 2025US 2025/0091288 A1Dalian University of Technology
- Motor component prepared by electrolyzing copper, and motor9 Jan 2025US 2025/0015681 A1Tsinghua University
- Microneedles and method for their manufacture26 Dec 2024US 2024/0426017 A1IQS GROUP s.r.o.
- Method of manufacturing an electroformed pipe17 Oct 2024US 2024/0344222 A1Nanshin Co ., Ltd.
Most cited
By later US patents
- Method of making microchanneled heat exchangers utilizing sacrificial cores156US 5,317,805 AMinnesota Mining and Manufacturing Company · 1994
- Electroforming apparatus and process83US 4,781,799 AFuji Xerox Co., Ltd. · 1988
- Cooling structure and method of manufacturing the same76US 6,602,053 B2Siemens Westinghouse Power Corporation · 2003
- Electroforming mandrels with contoured surfaces64US 6,007,692 AXerox Corporation · 1999
- Methods for preparing devices having metallic hollow microchannels on planar substrate surfaces57US 5,876,582 AUniversity of Utah Research Foundation · 1999