H01B 3/303
Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or
Official title: {Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302}
H01B3/303 (Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or) appears on 789 US grants and 648 published applications in this corpus.
Search patents in H01B- Granted patents
- 789
- Published applications
- 648
- Assignees
- 400
- Inventors
- 1,932
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 11 | 0 |
| 1978 | 28 | 0 |
| 1979 | 12 | 0 |
| 1980 | 16 | 0 |
| 1981 | 17 | 0 |
| 1982 | 16 | 0 |
| 1983 | 20 | 0 |
| 1984 | 16 | 0 |
| 1985 | 24 | 0 |
| 1986 | 16 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 11 | 0 |
| 1990 | 13 | 0 |
| 1991 | 17 | 0 |
| 1992 | 20 | 0 |
| 1993 | 15 | 0 |
| 1994 | 20 | 0 |
| 1995 | 13 | 0 |
| 1996 | 16 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 1 |
| 2002 | 7 | 7 |
| 2003 | 2 | 10 |
| 2004 | 9 | 11 |
| 2005 | 8 | 10 |
| 2006 | 6 | 10 |
| 2007 | 3 | 17 |
| 2008 | 2 | 7 |
| 2009 | 2 | 15 |
| 2010 | 7 | 21 |
| 2011 | 5 | 21 |
| 2012 | 13 | 23 |
| 2013 | 17 | 40 |
| 2014 | 20 | 43 |
| 2015 | 18 | 51 |
| 2016 | 23 | 38 |
| 2017 | 35 | 36 |
| 2018 | 35 | 43 |
| 2019 | 41 | 39 |
| 2020 | 34 | 37 |
| 2021 | 19 | 32 |
| 2022 | 22 | 23 |
| 2023 | 25 | 28 |
| 2024 | 16 | 31 |
| 2025 | 23 | 33 |
| 2026 | 14 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reception cable and medical image diagnostic system6 Oct 2026US 12,755,867 B2FUJIFILM Corporation
- Implantable cerebral sensing devices and systems and methods related thereto15 Sep 2026US 12,733,821 B2Georgia Tech Research Corporation
- Video push-cables for pipe inspection systems4 Aug 2026US 12,700,522 B1Seescan, Inc.
- Insulation system for electric rotating machines, method of production for same and powder coating21 Jul 2026US 12,688,947 B2Siemens Mobility GmbH
- Polychlorotrifluoroethylene (PCTFE) polymer enclosure for an implantable device9 Jun 2026US 12,653,064 B2Neuralink Corp.
- Electrical apparatus comprising at least one gelled material24 Sep 2026US 2026/0290681 A1Arkema France
- Resin composition, insulated wire, and method of manufacturing insulated wire17 Sep 2026US 2026/0279616 A1Sumitomo Electric Industries, Ltd.
- Enameled Round Wire and, Methods for Producing Same10 Sep 2026US 2026/0269671 A1Innomotics GmbH
- Method of obtaining insulating coating composition, coating composition and conductive materials comprising the same6 Aug 2026US 2026/0226309 A1Weg Tintas Ltda
- Enamel coated fusible element30 Jul 2026US 2026/0221370 A1Littelfuse, Inc.
Most cited
By later US patents
- Insulating adhesive tape, and lead frame and semiconductor device employing the tape253US 5,406,124 AMitsui Toatsu Chemicals, Inc. · 1995
- Downhole cable223US 8,369,667 B2Halliburton Energy Services.Inc. · 2013
- Foamed electrical wire and a method of producing the same208US 9,142,334 B2Furukawa Electric Co., Ltd. · 2015
- Adhesive layer in multi-level packaging and organic material as a metal diffusion barrier112US 5,582,858 AInternational Business Machines Corporation · 1996
- Non-woven heating element108US 4,534,886 AInternational Paper Company · 1985