Solberg Mfg., Inc.
8Patents
2Active
8Granted
37Portfolio score
Filing activity: May 4, 1990 → Apr 26, 2023
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5178760A | Fluid filter construction with a corrugated and tapered filter strip | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6045599A | Renewable filter | Performing Operations; Transporting | 10 | Expired |
| US7674307B2 | Self supported fluid filter | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6348077B1 | Multiple stage air-intake filter apparatus | Performing Operations; Transporting | 7 | Expired |
| US6709479B1 | Precleaner for vacuum systems | Performing Operations; Transporting | 3 | Expired |
| US6165354A | Filter having a filter element adjustable to a bypass position | Performing Operations; Transporting | 3 | Expired |
| US10352209B2 | Pressure regulator assemblies | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12410736B2 | Crankcase pressure regulator having umbrella style valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.