Dennis Stark
21Patents
4h-index
28Co-inventors
63Inventor score
Filing activity: Dec 21, 1990 → May 25, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5121057A | Media flaw detection apparatus for a magnetic disk drive with squaring and summing of in-phase and quadrature-phase detected signals | Electricity | 12 | Expired |
| US5447278A | Tape drive and cassette with precise registration | Physics | 11 | Expired |
| US5433397A | High speed tape transport system | Physics | 6 | Expired |
| US11541336B2 | Filter element, filter system comprising a filter element, and method for producing a filter element | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US6157189A | Magnetic read/write of reference track in contact start-stop testing of magnetic disks | Physics | 4 | Expired |
| US5923490A | High speed searching of digital cassette | Physics | 3 | Expired |
| US10493391B2 | Filter module with a filter element and with a fastening frame and air filter device with a filter module | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10427080B2 | Filter holder, filter element and filter arrangement | Performing Operations; Transporting | 2 | Active |
| US10350530B2 | Filter holder and filter arrangement | Performing Operations; Transporting | 1 | Active |
| US10363506B2 | Filter element and filter arrangement | Performing Operations; Transporting | 1 | Active |
| US11738296B2 | Filter device, in particular for gas filtration | Performing Operations; Transporting | 1 | Active |
| US10583385B2 | Filter holder, filter element and filter arrangement | Performing Operations; Transporting | 1 | Active |
| US12345224B2 | Muffler and filter system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11986758B2 | Filter element and filter arrangement | Performing Operations; Transporting | 0 | Active |
| US11725615B2 | Secondary filter element and filter arrangement | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10508623B2 | Filter system with an insulating body, insulating body, and method for manufacturing an insulating body | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11213770B2 | Filter element for a machine tool, machine tool, use, and exchange method | Performing Operations; Transporting | 0 | Active |
| US10799821B2 | Air filter with minimal pressure loss | Performing Operations; Transporting | 0 | Active |
| US11890567B2 | Filter holder, filter element and filter arrangement | Performing Operations; Transporting | 0 | Active |
| US11701607B2 | Filter element and filter arrangement | Performing Operations; Transporting | 0 | Active |
| US12415153B2 | Filter element and filter system | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.