Taprogge GmbH
13Patents
2Active
13Granted
31Portfolio score
Filing activity: Oct 4, 1985 → Jan 11, 2007 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5255977A | Method and device for monitoring the efficiency of a condenser | Mechanical Engineering; Lighting; Heating | 53 | Expired |
| US5630471A | Apparatus for transferring cleaning bodies for a heat exchange through which can flow a cooling fluid | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US8678199B2 | Filter for fluids | Performing Operations; Transporting | 6 | Active |
| US5628898A | Backwashable filter having elements with elastically deflectable lips | Performing Operations; Transporting | 4 | Expired |
| US4830099A | Apparatus for extracting cleaning bodies from a liquid | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6070652A | Lock for balls for cleaning cooling systems | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8123047B2 | Filter for fluids in conduits | Performing Operations; Transporting | 3 | Active |
| US5176199A | Method for measuring the cleaning effectiveness of cleaning bodies on heat exchangers | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6945316B2 | System for cleaning tubes of heat exchangers and cleaning bodies therefor | Performing Operations; Transporting | 3 | Expired |
| US6223809A | Screening device for eliminating balls from a coolant line | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7055580B2 | System for cleaning tubes of heat exchangers and cleaning bodies for use in the system | Performing Operations; Transporting | 2 | Expired |
| US5333674A | Method for measuring the cleaning effectiveness of cleaning bodies on heat exchangers | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4676302A | Collecting device for cleaning members on a heat exchanger | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.