Mark V. Holzmann
66Patents
17h-index
97Co-inventors
87Inventor score
Filing activity: Jun 26, 1997 → Oct 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6402798B1 | Twist and lock filter housing with nontorsional anti-rotation stop | Performing Operations; Transporting | 154 | Expired |
| US6383244B1 | Filter with retained safety element | Performing Operations; Transporting | 94 | Expired |
| US6436162B1 | Twist and lock filter housing with anti-rotation stop | Performing Operations; Transporting | 89 | Expired |
| US6568540B1 | Low force closure filter with integral seal | Performing Operations; Transporting | 74 | Expired |
| US7413588B2 | High efficiency, low restriction, cost effective filter | Emerging Cross-Sectional Technologies | 70 | Expired |
| US6478019B2 | Flat low profile diesel engine crankcase ventilation filter | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5882367A | Rotatable sealed filter outlet | Performing Operations; Transporting | 67 | Expired |
| US6478018B2 | Multi-peripheral perimeter sealed flat panel coalescing filter element | Emerging Cross-Sectional Technologies | 53 | Expired |
| US7828870B1 | Filter assembly with cost effective seal | Performing Operations; Transporting | 51 | Active |
| US6569219B1 | Air filter with serviceable filter media | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6247463A | Diesel engine crankcase ventilation filter | Emerging Cross-Sectional Technologies | 48 | Expired |
| US7614390B2 | Two stage drainage gas-liquid separator | Mechanical Engineering; Lighting; Heating | 39 | Active |
| US6425930B1 | Air cleaner with self-mounted inlet shroud seal | Performing Operations; Transporting | 27 | Expired |
| US6235073A | Fastener retention system | Performing Operations; Transporting | 26 | Expired |
| US7406960B2 | Oil mist removal device with oil fill | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US7699029B2 | Crankcase ventilation system with pumped scavenged oil | Mechanical Engineering; Lighting; Heating | 19 | Active |
| US7776139B2 | Separator with transfer tube drainage | Emerging Cross-Sectional Technologies | 17 | Active |
| US8926725B2 | V-shaped filter with serviceable frames and cartridges | Performing Operations; Transporting | 17 | Active |
| US8146574B2 | Engine air management system | Emerging Cross-Sectional Technologies | 15 | Active |
| US7497301B2 | Tubular acoustic silencer | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US7615151B2 | Filter with installation integrity and magnetic flow-control | Performing Operations; Transporting | 15 | Active |
| US7063730B2 | Filter with end cap base retainer | Performing Operations; Transporting | 14 | Expired |
| US7850845B2 | Filter with installation integrity and magnetic flow-control | Performing Operations; Transporting | 13 | Active |
| US5980618A | Air filter with failsafe filtered pressure tap | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US8852310B2 | Filter and filter media having reduced restriction | Emerging Cross-Sectional Technologies | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.