Christopher E. Holm
80Patents
19h-index
100Co-inventors
87Inventor score
Filing activity: Sep 16, 1993 → Apr 1, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6290738A | Inertial gas-liquid separator having an inertial collector spaced from a nozzle structure | Emerging Cross-Sectional Technologies | 84 | Expired |
| US6478019B2 | Flat low profile diesel engine crankcase ventilation filter | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6354283B1 | Diesel engine modular crankcase ventilation filter | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US5858224A | Filter with pressure sensor mounted in housing end | Performing Operations; Transporting | 53 | Expired |
| US6478018B2 | Multi-peripheral perimeter sealed flat panel coalescing filter element | Emerging Cross-Sectional Technologies | 53 | Expired |
| US7238216B2 | Variable flow inertial gas-liquid impactor separator | Emerging Cross-Sectional Technologies | 50 | Expired |
| US7323105B1 | High capacity direct flow filter with maintained channel width | Performing Operations; Transporting | 50 | Expired |
| US5779900A | In-situ cleanable filter with filtered cleanser | Performing Operations; Transporting | 41 | Expired |
| US7614390B2 | Two stage drainage gas-liquid separator | Mechanical Engineering; Lighting; Heating | 39 | Active |
| US5462679A | Apparatus and method for in situ cleaning of oil filter | Performing Operations; Transporting | 38 | Expired |
| US8794222B2 | Crankcase ventilation inside-out flow rotating coalescer | Mechanical Engineering; Lighting; Heating | 36 | Active |
| US6085915A | Back-washable spin-on oil filter | Performing Operations; Transporting | 34 | Expired |
| US8061530B2 | Filtration sealing system | Performing Operations; Transporting | 31 | Active |
| US8590712B2 | Modular filter elements for use in a filter-in-filter cartridge | Performing Operations; Transporting | 24 | Active |
| US7406960B2 | Oil mist removal device with oil fill | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US8517185B2 | Two stage fuel water separator and particulate filter utilizing pleated nanofiber filter material | Performing Operations; Transporting | 21 | Active |
| US7699029B2 | Crankcase ventilation system with pumped scavenged oil | Mechanical Engineering; Lighting; Heating | 19 | Active |
| US7648543B2 | Multistage variable impactor | Emerging Cross-Sectional Technologies | 19 | Active |
| US9415333B2 | Filtration sealing system | Performing Operations; Transporting | 19 | Active |
| US9623351B2 | Filtration sealing system | Performing Operations; Transporting | 18 | Active |
| US7776139B2 | Separator with transfer tube drainage | Emerging Cross-Sectional Technologies | 17 | Active |
| US7964009B2 | Inertial gas-liquid separator with axially variable orifice area | Emerging Cross-Sectional Technologies | 13 | Active |
| US7674425B2 | Variable coalescer | Emerging Cross-Sectional Technologies | 11 | Active |
| US7828865B2 | Gas-liquid separator with dual flow impaction and coalescence | Emerging Cross-Sectional Technologies | 11 | Active |
| US9782708B2 | Filtration sealing system | Performing Operations; Transporting | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.