H01M 50/00
Battery cases, separators and other inactive parts
Official title: Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
H01M50/00 (Battery cases, separators and other inactive parts) appears on 36,335 US grants and 58,560 published applications in this corpus.
Search patents in H01M- Granted patents
- 36,335
- Published applications
- 58,560
- Assignees
- 7,155
- Inventors
- 62,955
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 148 | 0 |
| 1977 | 144 | 0 |
| 1978 | 168 | 0 |
| 1979 | 83 | 0 |
| 1980 | 152 | 0 |
| 1981 | 155 | 0 |
| 1982 | 142 | 0 |
| 1983 | 118 | 0 |
| 1984 | 126 | 0 |
| 1985 | 127 | 0 |
| 1986 | 109 | 0 |
| 1987 | 119 | 0 |
| 1988 | 117 | 0 |
| 1989 | 115 | 0 |
| 1990 | 107 | 0 |
| 1991 | 143 | 0 |
| 1992 | 158 | 0 |
| 1993 | 199 | 0 |
| 1994 | 206 | 0 |
| 1995 | 211 | 0 |
| 1996 | 265 | 0 |
| 1997 | 296 | 0 |
| 1998 | 327 | 0 |
| 1999 | 304 | 0 |
| 2000 | 361 | 0 |
| 2001 | 433 | 170 |
| 2002 | 432 | 454 |
| 2003 | 396 | 546 |
| 2004 | 320 | 567 |
| 2005 | 264 | 585 |
| 2006 | 276 | 727 |
| 2007 | 275 | 657 |
| 2008 | 258 | 720 |
| 2009 | 344 | 904 |
| 2010 | 598 | 1090 |
| 2011 | 593 | 1433 |
| 2012 | 729 | 1647 |
| 2013 | 889 | 1809 |
| 2014 | 1133 | 1956 |
| 2015 | 1399 | 2127 |
| 2016 | 1374 | 2057 |
| 2017 | 1666 | 2164 |
| 2018 | 1708 | 2439 |
| 2019 | 2068 | 2593 |
| 2020 | 2251 | 3067 |
| 2021 | 2071 | 3110 |
| 2022 | 2145 | 4061 |
| 2023 | 2078 | 5119 |
| 2024 | 2666 | 6152 |
| 2025 | 2982 | 6700 |
| 2026 | 2587 | 5706 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01M 50/20Mountings15,963
- H01M 50/50Current conducting connections for cells or batteries14,450
- H01M 50/10Primary casings10,466
- H01M 50/40Separators7,661
- H01M 50/30Arrangements for facilitating escape of gases3,548
- H01M 50/60Arrangements or processes for filling or topping-up with liquids1,194
- H01M 50/70Arrangements for stirring or circulating the electrolyte382
Recent patents
- High voltage cable routing for electrified vehicle6 Oct 2026US 12,752,140 B2Oshkosh Corporation
- Motor vehicle having a gas channel between a battery system and an underride protection plate6 Oct 2026US 12,752,641 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Electronic device with hybrid power source and method for hybrid power supply6 Oct 2026US 12,755,115 B2Getac Technology Corporation
- 3-D composite anodes for Li-ion batteries with high capacity and fast charging capability6 Oct 2026US 12,755,958 B2The Regents of the University of Michigan
- Electrode assembly with improved electrolyte impregnation property, and battery, battery pack and vehicle including the same6 Oct 2026US 12,755,959 B2LG Energy Solution, Ltd.
- High voltage cable routing for electrified vehicle8 Oct 2026US 2026/0306888 A1Oshkosh Corporation
- Coin Cell Case8 Oct 2026US 2026/0307130 A1Wildcat Discovery Technologies, Inc.
- Power tool vibration isolation features, related systems and methods8 Oct 2026US 2026/0307232 A1
- Method for manufacturing a multilayer component8 Oct 2026US 2026/0307310 A1ElringKlinger AG
- Cohesively bonded, microporous multilayer films8 Oct 2026US 2026/0307378 A1Amtek Research International LLC
Most cited
By later US patents
- Power control arrangements for surgical instruments and batteries2,057US 8,632,525 B2Ethicon Endo-Surgery, Inc. · 2014
- Motor driven electrosurgical device with mechanical and electrical feedback1,840US 9,161,803 B2Ethicon Endo-Surgery, Inc. · 2015
- Cordless power system1,824US 7,688,028 B2Black & Decker Inc. · 2010
- Modular powered surgical instrument with detachable shaft assemblies1,623US 9,743,929 B2Ethicon, Inc. · 2017
- Surgical instruments and batteries for surgical instruments1,601US 9,289,212 B2Ethicon Endo-Surgery, Inc. · 2016