B23P 19/04
Machines for simply fitting together or separating metal parts or objects, or
Official title: for assembling or disassembling parts
B23P19/04 (Machines for simply fitting together or separating metal parts or objects, or) appears on 3,573 US grants and 2,925 published applications in this corpus.
Search patents in B23P- Granted patents
- 3,573
- Published applications
- 2,925
- Assignees
- 1,689
- Inventors
- 6,481
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 25 | 0 |
| 1978 | 22 | 0 |
| 1979 | 15 | 0 |
| 1980 | 43 | 0 |
| 1981 | 50 | 0 |
| 1982 | 33 | 0 |
| 1983 | 24 | 0 |
| 1984 | 41 | 0 |
| 1985 | 48 | 0 |
| 1986 | 46 | 0 |
| 1987 | 37 | 0 |
| 1988 | 46 | 0 |
| 1989 | 62 | 0 |
| 1990 | 48 | 0 |
| 1991 | 60 | 0 |
| 1992 | 50 | 0 |
| 1993 | 55 | 0 |
| 1994 | 63 | 0 |
| 1995 | 45 | 0 |
| 1996 | 50 | 0 |
| 1997 | 39 | 0 |
| 1998 | 43 | 0 |
| 1999 | 56 | 0 |
| 2000 | 60 | 0 |
| 2001 | 50 | 12 |
| 2002 | 68 | 41 |
| 2003 | 41 | 54 |
| 2004 | 48 | 58 |
| 2005 | 37 | 67 |
| 2006 | 56 | 56 |
| 2007 | 26 | 59 |
| 2008 | 35 | 62 |
| 2009 | 25 | 69 |
| 2010 | 52 | 66 |
| 2011 | 42 | 78 |
| 2012 | 60 | 73 |
| 2013 | 66 | 151 |
| 2014 | 95 | 204 |
| 2015 | 141 | 264 |
| 2016 | 167 | 155 |
| 2017 | 176 | 147 |
| 2018 | 138 | 213 |
| 2019 | 166 | 180 |
| 2020 | 189 | 168 |
| 2021 | 179 | 163 |
| 2022 | 162 | 143 |
| 2023 | 135 | 138 |
| 2024 | 124 | 123 |
| 2025 | 135 | 107 |
| 2026 | 69 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23P 19/06Screw or nut setting or loosening machines1,377
- B23P 19/08Machines for placing washers, circlips, or the like on bolts or other290
- B23P 19/047For flexible profiles165
- B23P 19/042Specially adapted for combustion engines154
- B23P 19/041For disassembling pallets88
- B23P 19/048Springs54
- B23P 19/046Disassembling lids from drums6
Recent patents
- Tool for assembly and storage of rotary engine6 Oct 2026US 12,752,382 B2Pratt & Whitney Canada Corp.
- Hydraulic tension adaptor6 Oct 2026US 12,752,383 B2
- Automated wall frame assembly system29 Sep 2026US 12,746,705 B2Mitek Holdings, Inc.
- System of folding displays using an automatic display assembly machine and method of using the same22 Sep 2026US 12,740,658 B2
- Locking screw machine15 Sep 2026US 12,734,621 B2Alliedforest Holdings Group Limited
- Fastener Tightening Control System in an Assembly and Method for Controlling the Tightening of a Fastener in an Assembly8 Oct 2026US 2026/0307184 A1Lisi Aerospace
- System and method for removing or installing the hot section of a gas turbine engine1 Oct 2026US 2026/0298111 A1Pratt & Whitney Canada Corp.
- Construction robot for the assembly of modular integrated construction and steel structure24 Sep 2026US 2026/0284812 A1The Hong Kong Polytechnic University
- Joist table systems and methods24 Sep 2026US 2026/0286702 A1Nucor Corporation
- Automated Temporary Fastener Actuation Apparatus and System17 Sep 2026US 2026/0273673 A1Lockheed Martin Corporation
Most cited
By later US patents
- Control method and control unit for impact type screw fastening device1,077US 7,770,658 B2Estic Corporation · 2010
- Microprocessor for controlling the speed and frequency of a motor shaft in a power tool1,048US 6,696,814 B2Tyco Electronics Corporation · 2004
- Computer controlled exercise system434US 4,934,694 A1990
- Program controlled force measurement and control system349US 4,891,764 ATensor Development, Inc. · 1990
- Feedback for a manipulator310US 5,103,404 ATensor Development, Inc. · 1992