LITTELFUSE INC /DE Active Patents
368 granted patents the USPTO still lists as patented, newest filing first, as the USPTO Open Data Portal records them; the company is the first-named applicant. The application number opens the full record at Patent Center.
- 2024-04-24: Application 18644373; Invention OVERCURRENT PROTECTION BASED ON SLOPE DETECTION; Applicant Littelfuse, Inc.; Status Patented Case.
- 2024-04-24: Application 18644289; Invention PRE-CHARGE SHORT CIRCUIT DETECTION; Applicant Littelfuse, Inc.; Status Patented Case.
- 2024-02-20: Application 18685023; Invention BATTERY SYSTEM AND HYBRID CURRENT SENSOR THEREFOR; Applicant Suzhou Littelfuse OVS Co., Ltd.; Status Patented Case.
- 2024-02-06: Application 18433822; Invention HYBRID CONDUCTIVE PASTE FOR FAST-OPENING, LOW-RATING FUSES; Applicant Littelfuse, Inc.; Status Patented Case.
| Filed | Application | Invention | Applicant | Status | Granted | Patent | Published as | Inventor name | Inventor country | Examiner |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024-04-24 | 18644373 | OVERCURRENT PROTECTION BASED ON SLOPE DETECTION | Littelfuse, Inc. | Patented Case | 2026-06-30 | 12671244 | US20240364100A1 | Cesar Martinez Boris Golubovic Michael Gambuzza Guillermo Zatorre | Spain United States United States Spain | PATEL, DHARTI HARIDAS |
| 2024-04-24 | 18644289 | PRE-CHARGE SHORT CIRCUIT DETECTION | Littelfuse, Inc. | Patented Case | 2026-03-31 | 12592557 | US20240364099A1 | Michael Gambuzza Guillermo Zatorre Boris Golubovic Cesar Martinez | United States Spain United States Spain | PATEL, DHARTI HARIDAS |
| 2024-02-20 | 18685023 | BATTERY SYSTEM AND HYBRID CURRENT SENSOR THEREFOR | Suzhou Littelfuse OVS Co., Ltd. | Patented Case | 2026-08-18 | 12710452 | US20240369600A1 | Jianfei Zhao Engelbert Hetzmannseder | China United States | HAWKINS, DOMINIC E |
| 2024-02-06 | 18433822 | HYBRID CONDUCTIVE PASTE FOR FAST-OPENING, LOW-RATING FUSES | Littelfuse, Inc. | Patented Case | 2026-09-22 | 12744176 | US20240274390A1 | Hossein Talebinezhad Jianhua J. Chen Victor Oliver Tabell | United States United States Philippines | CRUM, JACOB R |
| 2024-01-29 | 18424994 | CORNER RELIEF UNDERCUT TO REDUCE DIE DAMAGE | Littelfuse, Inc. | Patented Case | 2025-10-21 | 12451383 | US20250246465A1 | Hermie Dela Torre Librado Galang Jason Costoya Nathaniel Garcia | United States United States United States United States | ORTIZ, RAFAEL ALFREDO |
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