B29C 66/81421
Being convex or concave
Official title: {being convex or concave}
B29C66/81421 (Being convex or concave) appears on 1,026 US grants and 822 published applications in this corpus.
Search patents in B29C- Granted patents
- 1,026
- Published applications
- 822
- Assignees
- 602
- Inventors
- 1,922
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 10 | 0 |
| 1978 | 20 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 14 | 0 |
| 1982 | 10 | 0 |
| 1983 | 12 | 0 |
| 1984 | 10 | 0 |
| 1985 | 18 | 0 |
| 1986 | 11 | 0 |
| 1987 | 21 | 0 |
| 1988 | 19 | 0 |
| 1989 | 16 | 0 |
| 1990 | 24 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 21 | 0 |
| 1994 | 14 | 0 |
| 1995 | 17 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 24 | 0 |
| 2000 | 19 | 0 |
| 2001 | 19 | 5 |
| 2002 | 11 | 26 |
| 2003 | 25 | 26 |
| 2004 | 26 | 35 |
| 2005 | 16 | 27 |
| 2006 | 21 | 32 |
| 2007 | 9 | 32 |
| 2008 | 20 | 28 |
| 2009 | 12 | 31 |
| 2010 | 17 | 39 |
| 2011 | 31 | 29 |
| 2012 | 30 | 37 |
| 2013 | 30 | 51 |
| 2014 | 23 | 40 |
| 2015 | 43 | 45 |
| 2016 | 42 | 50 |
| 2017 | 33 | 43 |
| 2018 | 36 | 38 |
| 2019 | 41 | 38 |
| 2020 | 38 | 33 |
| 2021 | 31 | 39 |
| 2022 | 22 | 16 |
| 2023 | 33 | 27 |
| 2024 | 12 | 23 |
| 2025 | 30 | 21 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing a wind turbine blade and fixture for manufacturing a wind turbine blade18 Aug 2026US 12,709,073 B2Siemens Gamesa Renewable Energy A/S
- Welding apparatus9 Jun 2026US 12,649,286 B2Fresenius Kabi Deutschland GmbH
- Sealing element for sealing a package and device for sealing a package2 Jun 2026US 12,643,702 B2Ecolean AB
- Sonotrode, system and method of reshaping a connecting element19 May 2026US 12,629,897 B2Herrmann Ultraschalltechnik GmbH & Co. KG
- Ultrasonic and vibration welding of thermoplastics using a vibratable tool24 Mar 2026US 12,583,185 B2Branson Ultrasonics Corporation
- Welding jaw and method for thermal welding13 Aug 2026US 2026/0233469 A1Georg Menshen GmbH & Co. KG
- Laser scanning-type plastic welding device using bundle fiber23 Jul 2026US 2026/0208449 A1Evlaser Co., Ltd.
- Double pipe fitting23 Jul 2026US 2026/0210469 A1Georg Ficher Rohrleitungssysteme AG
- Film piece joining device, film manufacturing device, bag-shaped container manufacturing device, film piece joining method, film manufacturing method, and bag-shaped container manufacturing method2 Jul 2026US 2026/0184024 A1Idemitsu Unitech Co., Ltd.
- Sealing systems for use with product bags used in cryogenic freezing and methods of use18 Jun 2026US 2026/0167372 A1Kite Pharma, Inc.
Most cited
By later US patents
- Apparatus for rivetting592US 8,327,514 B2Gunyang Trunet Co., Ltd. · 2012
- Method of using ultrasonic vibration to secure body tissue391US 6,368,343 B12002
- Method of joining two thermoplastic articles380US 4,761,871 APhillips Petroleum Company · 1988
- Method of using ultrasonic vibration to secure body tissue347US 6,585,750 B2Bonutti 2003 Trust-A · 2003
- Friction welding329US 5,460,317 AThe Welding Institute · 1995