B23P 19/00
Machines for simply fitting together or separating metal parts or objects, or
Official title: Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation {(connecting metal parts or objects by metal-working procedures B21J, B23K)}; Tools or devices therefor so far as not provided for in other classes (hand tools in general B25)
B23P19/00 (Machines for simply fitting together or separating metal parts or objects, or) appears on 5,710 US grants and 4,466 published applications in this corpus.
Search patents in B23P- Granted patents
- 5,710
- Published applications
- 4,466
- Assignees
- 2,526
- Inventors
- 10,259
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 47 | 0 |
| 1977 | 40 | 0 |
| 1978 | 42 | 0 |
| 1979 | 32 | 0 |
| 1980 | 72 | 0 |
| 1981 | 82 | 0 |
| 1982 | 53 | 0 |
| 1983 | 56 | 0 |
| 1984 | 67 | 0 |
| 1985 | 79 | 0 |
| 1986 | 89 | 0 |
| 1987 | 90 | 0 |
| 1988 | 95 | 0 |
| 1989 | 106 | 0 |
| 1990 | 83 | 0 |
| 1991 | 103 | 0 |
| 1992 | 92 | 0 |
| 1993 | 101 | 0 |
| 1994 | 87 | 0 |
| 1995 | 66 | 0 |
| 1996 | 77 | 0 |
| 1997 | 68 | 0 |
| 1998 | 71 | 0 |
| 1999 | 85 | 0 |
| 2000 | 105 | 0 |
| 2001 | 88 | 31 |
| 2002 | 102 | 67 |
| 2003 | 76 | 81 |
| 2004 | 70 | 92 |
| 2005 | 55 | 90 |
| 2006 | 78 | 76 |
| 2007 | 44 | 101 |
| 2008 | 48 | 85 |
| 2009 | 40 | 94 |
| 2010 | 74 | 99 |
| 2011 | 70 | 125 |
| 2012 | 87 | 119 |
| 2013 | 95 | 251 |
| 2014 | 157 | 305 |
| 2015 | 216 | 359 |
| 2016 | 248 | 268 |
| 2017 | 287 | 256 |
| 2018 | 214 | 312 |
| 2019 | 271 | 277 |
| 2020 | 289 | 259 |
| 2021 | 258 | 245 |
| 2022 | 261 | 210 |
| 2023 | 193 | 193 |
| 2024 | 196 | 194 |
| 2025 | 207 | 159 |
| 2026 | 98 | 118 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23P 19/04Machines for simply fitting together or separating metal parts or objects, or3,573
- B23P 19/001Article feeders for assembling machines962
- B23P 19/02Machines for simply fitting together or separating metal parts or objects, or848
- B23P 19/10Aligning parts to be fitted together666
- B23P 19/008The parts being continuously transported through the machine during assembling or disassembling45
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.
- Mating powder metal gear to shaft29 Sep 2026US 12,747,781 B1Schaeffler Technologies AG & Co. KG
- System of folding displays using an automatic display assembly machine and method of using the same22 Sep 2026US 12,740,658 B2
- 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
- Automated rotating stations and related methods8 Oct 2026US 2026/0307185 A1Ats Corporation
- Gas Turbine Engine Gearbox Alignment Tool and Method1 Oct 2026US 2026/0295740 A1Pratt & Whitney Canada Corp.
- System and method for removing or installing the hot section of a gas turbine engine1 Oct 2026US 2026/0298111 A1Pratt & Whitney Canada Corp.
- Separation tool and method for shroud segments of gas turbines with insulation24 Sep 2026US 2026/0284811 A1GE Vernova Infrastructure Technology LLC
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
- Method of manufacturing jaw members for surgical stapling instrument610US 9,924,943 B2Covidien LP · 2018
- Computer controlled exercise system434US 4,934,694 A1990
- Program controlled force measurement and control system349US 4,891,764 ATensor Development, Inc. · 1990