Inventor · disambiguated record
Frank Rönnfeldt
Also filed as: RÖNNFELDT FRANK
5 granted patents·2 pending applications·15 citations·filing 2016–2023
70Inventor score
Files withMINIMAX GMBH & CO KG2MINIMAX VIKING PATENT MAN GMBH2MINIMAX VIKING RES & DEV GMBH2VIKING CORP1
Top patents by PatentIndex Score
7 records- 0190US10940348B2Push on/pull off protective cap for fire protection sprinklersVIKING CORP·Filed 2017·Granted Mar 9, 2021·8 cites·16 claims
- 0286US10940349B2Protective cap for a sprinkler nozzle, use of such a protective cap, and method for assembling and/or disassembling a sprinkler nozzle on a pipelineMINIMAX GMBH & CO KG·Filed 2016·Granted Mar 9, 2021·7 cites·22 claims
- 0360US2024181283A1Car parking garage with water mist fire protection system for increased heights, methods and water mist sprinklers thereforMINIMAX VIKING RES & DEV GMBH·Filed 2023·Application pending·0 cites
- 0458US12453982B2Extinguishing nozzle adapter for fitting an extinguishing nozzle to a wall, and fire-fighting system comprising said extinguishing nozzle adapterMINIMAX VIKING PATENT MAN GMBH·Filed 2020·Granted Oct 28, 2025·0 cites·17 claims
- 0550US12491523B2Spray mist nozzle for fire-fighting systems, and fire-fighting systems having sameMINIMAX VIKING PATENT MAN GMBH·Filed 2020·Granted Dec 9, 2025·0 cites·26 claims
- 0647US2023044995A1Firefighting system for an extractor duct, in particular of a cooking zoneMINIMAX VIKING RES & DEV GMBH·Filed 2020·Application pending·0 cites
- 0742US10926120B2Sprinkler housing for a sprinkler, sprinkler for fire extinguishing systems, and use thereofMINIMAX GMBH & CO KG·Filed 2016·Granted Feb 23, 2021·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →