H01B 3/30
Plastics
Official title: plastics; resins; waxes
H01B3/30 (Plastics) appears on 4,574 US grants and 4,185 published applications in this corpus.
Search patents in H01B- Granted patents
- 4,574
- Published applications
- 4,185
- Assignees
- 1,559
- Inventors
- 9,679
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 92 | 0 |
| 1977 | 67 | 0 |
| 1978 | 88 | 0 |
| 1979 | 56 | 0 |
| 1980 | 56 | 0 |
| 1981 | 72 | 0 |
| 1982 | 73 | 0 |
| 1983 | 90 | 0 |
| 1984 | 91 | 0 |
| 1985 | 104 | 0 |
| 1986 | 93 | 0 |
| 1987 | 95 | 0 |
| 1988 | 84 | 0 |
| 1989 | 88 | 0 |
| 1990 | 85 | 0 |
| 1991 | 81 | 0 |
| 1992 | 78 | 0 |
| 1993 | 69 | 0 |
| 1994 | 85 | 0 |
| 1995 | 58 | 0 |
| 1996 | 48 | 0 |
| 1997 | 48 | 0 |
| 1998 | 63 | 0 |
| 1999 | 60 | 0 |
| 2000 | 70 | 0 |
| 2001 | 64 | 16 |
| 2002 | 63 | 60 |
| 2003 | 50 | 77 |
| 2004 | 52 | 78 |
| 2005 | 44 | 70 |
| 2006 | 42 | 82 |
| 2007 | 34 | 82 |
| 2008 | 21 | 93 |
| 2009 | 43 | 101 |
| 2010 | 58 | 168 |
| 2011 | 63 | 140 |
| 2012 | 65 | 138 |
| 2013 | 85 | 176 |
| 2014 | 123 | 237 |
| 2015 | 112 | 275 |
| 2016 | 145 | 274 |
| 2017 | 166 | 249 |
| 2018 | 195 | 271 |
| 2019 | 226 | 256 |
| 2020 | 228 | 258 |
| 2021 | 171 | 206 |
| 2022 | 144 | 176 |
| 2023 | 137 | 239 |
| 2024 | 135 | 187 |
| 2025 | 118 | 168 |
| 2026 | 96 | 108 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01B 3/44Vinyl resins2,265
- H01B 3/303Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or789
- H01B 3/42Polyesters623
- H01B 3/40Epoxy resins520
- H01B 3/46Silicones483
- H01B 3/302Polyurethanes or polythiourethanes228
- H01B 3/307Other macromolecular compounds194
- H01B 3/308Wires with resins164
All 14 subgroupsShow fewer
- H01B 3/301Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or114
- H01B 3/47Fibre-reinforced plastics47
- H01B 3/36Condensation products of phenols with aldehydes or ketones46
- H01B 3/38Condensation products of aldehydes with amines or amides9
- H01B 3/32Natural resins8
- H01B 3/34Waxes7
Recent patents
- Fluorine-containing copolymer6 Oct 2026US 12,753,255 B2Daikin Industries, Ltd.
- Reception cable and medical image diagnostic system6 Oct 2026US 12,755,867 B2FUJIFILM Corporation
- Flammable cable and control line encapsulator6 Oct 2026US 12,755,870 B2Petroleo Brasileiro S.A. - Petrobras
- Process for producing cable with insulation layer6 Oct 2026US 12,755,874 B2Dow Global Technologies LLC
- Polyolefin formulation containing combination of voltage stabilizer compounds29 Sep 2026US 12,747,334 B2Dow Global Technologies LLC
- Flame retardant polymeric compositions8 Oct 2026US 2026/0308394 A1
- Conductive particles, conductive materials using the same8 Oct 2026US 2026/0311908 A1Duk San Neolux Co., Ltd.
- Insulation for busbars8 Oct 2026US 2026/0311909 A1Bond-Laminates GmbH
- Cable8 Oct 2026US 2026/0311911 A1Sumitomo Electric Industries, Ltd.
- Unimpeded row system8 Oct 2026US 2026/0312537 A1Wtec, LLC
Most cited
By later US patents
- Process for producing porous products1,316US 3,953,566 AW. L. Gore & Associates, Inc. · 1976
- Porous products and process therefor909US 4,187,390 AW. L. Gore & Associates, Inc. · 1980
- Filled cables421US 4,259,540 ABell Telephone Laboratories, Incorporated · 1981
- Very highly stretched polytetrafluoroethylene and process therefor330US 3,962,153 AW. L. Gore & Associates, Inc. · 1976
- Electrical devices comprising polymeric insulating or semiconducting members306US 5,246,783 AExxon Chemical Patents Inc. · 1993