H01B 3/426
Polycarbonates
Official title: {Polycarbonates}
H01B3/426 (Polycarbonates) appears on 33 US grants and 36 published applications in this corpus.
Search patents in H01B- Granted patents
- 33
- Published applications
- 36
- Assignees
- 28
- Inventors
- 108
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 4 |
| 2015 | 0 | 3 |
| 2016 | 1 | 5 |
| 2017 | 1 | 4 |
| 2018 | 3 | 2 |
| 2019 | 5 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 3 |
| 2023 | 2 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Extruded capacitor films with high temperature performance, methods of manufacture, and articles containing the same31 Dec 2024US 12,180,365 B2Shpp Global Technologies B.V.
- Polycarbonate copolymer and associated film extrusion composition, extruded film, and capacitor7 May 2024US 11,976,195 B2Shpp Global Technologies B.V.
- Polycarbonate copolymer and associated film extrusion composition, extruded film, and capacitor9 Jan 2024US 11,866,571 B2Shpp Global Technologies B.V.
- Nanostructured insulation for electric machines26 Dec 2023US 11,855,501 B2University of Connecticut
- Nanostructured insulation for electric machines31 Jan 2023US 11,569,701 B2University of Connecticut
- Polymer-coated imidacloprid composite microsphere, preparation method and application thereof, and cable4 Sep 2025US 2025/0277116 A1Guangzhou Power Supply Bureau of Guangdong Power Grid Co., Ltd.
- Thermally Conductive Flame-Proof Polycarbonate Compositions Having a High Comparative Tracking Index14 Aug 2025US 2025/0257209 A1Covestro Deutschland AG
- EE Device Comprising a Composite Polycarbonate Element Having High CTI3 Jul 2025US 2025/0215218 A1Covestro Deutschland AG
- Polycarbonate copolymer and associated film extrusion composition, extruded film, and capacitor11 Apr 2024US 2024/0117185 A1Shpp Global Technologies B.V.
- Nanostructured insulation for electric machines6 Apr 2023US 2023/0108742 A1University of Connecticut
Most cited
By later US patents
- Multilayer insulated wire and transformers made by using the same39US 6,329,055 B1Furukawa Electric Co., Ltd. · 2001
- Thermoplastic moulding materials with high tracking resistance27US 4,731,405 ABayer Aktiengesellschaft · 1988
- Thermoplastic compositions containing nanoscale-sized particle additives for laser direct structuring and methods for the manufacture and use thereof19US 10,290,389 B2Sabic Global Technologies B.V. · 2019
- High modulus laser direct structuring polycarbonate composites with enhanced plating performance and broad laser window and methods for the manufacture and use thereof19US 9,944,768 B2Sabic Global Technologies B.V. · 2018
- Polyolefin compounds having improved thermal stability and electrical conductors coated therewith16US 4,857,673 AVulkor, Incorporated · 1989