B29C 65/04
Dielectric heating
Official title: Dielectric heating, e.g. high-frequency welding {, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC}
B29C65/04 (Dielectric heating) appears on 751 US grants and 611 published applications in this corpus.
Search patents in B29C- Granted patents
- 751
- Published applications
- 611
- Assignees
- 484
- Inventors
- 1,386
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 19 | 0 |
| 1978 | 12 | 0 |
| 1979 | 10 | 0 |
| 1980 | 12 | 0 |
| 1981 | 12 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 13 | 0 |
| 1987 | 13 | 0 |
| 1988 | 11 | 0 |
| 1989 | 13 | 0 |
| 1990 | 18 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 18 | 0 |
| 1998 | 21 | 0 |
| 1999 | 17 | 0 |
| 2000 | 17 | 0 |
| 2001 | 8 | 3 |
| 2002 | 11 | 20 |
| 2003 | 9 | 15 |
| 2004 | 23 | 19 |
| 2005 | 8 | 21 |
| 2006 | 8 | 19 |
| 2007 | 8 | 23 |
| 2008 | 10 | 30 |
| 2009 | 5 | 25 |
| 2010 | 14 | 27 |
| 2011 | 16 | 23 |
| 2012 | 14 | 33 |
| 2013 | 31 | 28 |
| 2014 | 18 | 27 |
| 2015 | 14 | 29 |
| 2016 | 16 | 22 |
| 2017 | 20 | 34 |
| 2018 | 26 | 35 |
| 2019 | 20 | 34 |
| 2020 | 25 | 28 |
| 2021 | 20 | 23 |
| 2022 | 23 | 26 |
| 2023 | 31 | 19 |
| 2024 | 14 | 23 |
| 2025 | 13 | 17 |
| 2026 | 13 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Closed loop composite welding and bonding system using radio-frequency and pressure1 Sep 2026US 12,722,346 B2University of Washington
- Method for manufacturing decorative piece of thermoplastic synthetic resin18 Aug 2026US 12,709,113 B2Plus Corporation
- Welding apparatus9 Jun 2026US 12,649,286 B2Fresenius Kabi Deutschland GmbH
- Bioprocessing system9 Jun 2026US 12,649,897 B2Cellular Origins Limited
- Method for manufacturing a cushion and cushion2 Jun 2026US 12,643,277 B2Otto Bock Mobility Solutions GmbH
- Systems and methods for processing a workpiece27 Aug 2026US 2026/0249560 A1University of Washington
- Method for manufacturing joined body27 Aug 2026US 2026/0250555 A1Resonac Corporation
- Sealing systems for use with product bags used in cryogenic freezing and methods of use18 Jun 2026US 2026/0167372 A1Kite Pharma, Inc.
- Support surface for a patient support apparatus and method for forming an inflatable bladder assembly for a support surface4 Jun 2026US 2026/0151284 A1Umano Medical Inc.
- Support surface for a patient support apparatus and method for forming an inflatable bladder assembly for a support surface4 Jun 2026US 2026/0151285 A1Umano Medical Inc.
Most cited
By later US patents
- Elastomeric cushioning devices for products and objects188US 4,287,250 A1981
- Inflatable bladder187US 5,022,109 ADielectrics Industries · 1991
- Resilient bladder for use in footwear187US 6,119,371 ANIKE, Inc. · 2000
- Cannula with radiopaque tip170US 4,419,095 AShiley Incorporated · 1983
- Resilient bladder for use in footwear and method of making the bladder164US 5,993,585 ANIKE, Inc. · 1999