B21D 39/00
Application of procedures in order to connect objects or parts
Official title: Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating ({joining mitred profiles B21D53/745; } riveting B21J; uniting components by forging or pressing to form integral members B21K25/00; welding B23K; press-fitting, force-fitting, or shrinking in general B23P11/00, B21D19/00; by adhesives F16B11/00 {; Connections as such F16L, F16B}); Tube expanders
B21D39/00 (Application of procedures in order to connect objects or parts) appears on 2,895 US grants and 2,322 published applications in this corpus.
Search patents in B21D- Granted patents
- 2,895
- Published applications
- 2,322
- Assignees
- 1,430
- Inventors
- 4,909
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 40 | 0 |
| 1978 | 28 | 0 |
| 1979 | 28 | 0 |
| 1980 | 34 | 0 |
| 1981 | 28 | 0 |
| 1982 | 36 | 0 |
| 1983 | 33 | 0 |
| 1984 | 28 | 0 |
| 1985 | 49 | 0 |
| 1986 | 46 | 0 |
| 1987 | 49 | 0 |
| 1988 | 51 | 0 |
| 1989 | 54 | 0 |
| 1990 | 33 | 0 |
| 1991 | 41 | 0 |
| 1992 | 42 | 0 |
| 1993 | 45 | 0 |
| 1994 | 32 | 0 |
| 1995 | 34 | 0 |
| 1996 | 34 | 0 |
| 1997 | 45 | 0 |
| 1998 | 45 | 0 |
| 1999 | 48 | 0 |
| 2000 | 52 | 0 |
| 2001 | 50 | 25 |
| 2002 | 70 | 51 |
| 2003 | 54 | 55 |
| 2004 | 50 | 83 |
| 2005 | 51 | 72 |
| 2006 | 60 | 87 |
| 2007 | 46 | 68 |
| 2008 | 40 | 80 |
| 2009 | 32 | 58 |
| 2010 | 47 | 80 |
| 2011 | 67 | 77 |
| 2012 | 61 | 89 |
| 2013 | 58 | 90 |
| 2014 | 61 | 100 |
| 2015 | 83 | 124 |
| 2016 | 89 | 120 |
| 2017 | 103 | 114 |
| 2018 | 93 | 128 |
| 2019 | 117 | 144 |
| 2020 | 104 | 143 |
| 2021 | 132 | 101 |
| 2022 | 117 | 100 |
| 2023 | 109 | 93 |
| 2024 | 96 | 95 |
| 2025 | 79 | 88 |
| 2026 | 37 | 57 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21D 39/04Application of procedures in order to connect objects or parts: of tubes1,093
- B21D 39/02Application of procedures in order to connect objects or parts: of sheet562
- B21D 39/03Application of procedures in order to connect objects or parts: of sheet535
- B21D 39/08Tube expanders461
- B21D 39/06Application of procedures in order to connect objects or parts: of tubes330
Recent patents
- System and method for forming a full engagement male lock in a ductline29 Sep 2026US 12,747,810 B2Mestek Machinery, Inc.
- Articulating surgical instrument8 Sep 2026US 12,727,955 B2KARL STORZ GmbH&Co.KG
- Fitting collar and tube-fitting assemblies incorporating fitting collars8 Sep 2026US 12,729,793 B2Avtechtyee Inc.
- Method of manufacturing formed product25 Aug 2026US 12,715,030 B2Futaba Industrial Co., Ltd.
- Tube coupling apparatus25 Aug 2026US 12,715,091 B2Parker Hannifin EMEA S.à.r.l.
- Manufacturing method for a metallic part and associated metallic part8 Oct 2026US 2026/0307131 A1
- Fitting collar and tube-fitting assemblies incorporating fitting collars8 Oct 2026US 2026/0309265 A1Avtechtyee Inc.
- Sheet material clamp and method for dynamic binding1 Oct 2026US 2026/0295651 A1Soles Enterprises, Inc
- Stand and Seam Hemmer for Metal Roof Installations1 Oct 2026US 2026/0297952 A1
- Balloon expandable polymer stent17 Sep 2026US 2026/0272686 A1Abbott Cardiovascular Systems Inc.
Most cited
By later US patents
- Pressing tool with pressing jaws655US 6,457,338 B1Gustav Klauke GmbH · 2002
- Procedures and equipment for profiling and jointing of pipes319US 6,457,532 B1Weatherford/Lamb, Inc. · 2002
- Method of securing a sleeve within a tube279US 4,069,573 ACombustion Engineering, Inc. · 1978
- Method and apparatus for downhole sealing252US 6,425,444 B1Weatherford/Lamb, Inc. · 2002
- Method and apparatus for drilling and lining a wellbore236US 6,543,552 B1Weatherford/Lamb, Inc. · 2003