Inventor · disambiguated record
Derek John Scheffers
Also filed as: SCHEFFERS DEREK J · SCHEFFERS DEREK JOHN
9 granted patents·5 pending applications·17 citations·filing 2019–2025
81Inventor score
Files withMINIMAX VIKING RES & DEV GMBH8MINIMAX VIKING PATENT MAN GMBH4FEENSTRA SHAWN J1VIKING GROUP INC1
Top patents by PatentIndex Score
14 records- 0195US12330001B1Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal memberMINIMAX VIKING PATENT MAN GMBH·Filed 2025·Granted Jun 17, 2025·3 cites·15 claims
- 0295US11872425B2Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal memberMINIMAX VIKING RES & DEV GMBH·Filed 2022·Granted Jan 16, 2024·9 cites·42 claims
- 0393US12257465B2Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal memberMINIMAX VIKING PATENT MAN GMBH·Filed 2023·Granted Mar 25, 2025·4 cites·37 claims
- 0477US2025312634A1Fire Protection Systems and Methods Using Fire Protection Devices Installed in Pipe Fittings With an Internally Housed Seal MemberMINIMAX VIKING PATENT MAN GMBH·Filed 2025·Application pending·0 cites
- 0576US2025010114A1Fire suppression system and method for a helicopter landing padFEENSTRA SHAWN J·Filed 2024·Application pending·0 cites
- 0675US12042681B2Fire suppression system and method for a helicopter landing padMINIMAX VIKING RES & DEV GMBH·Filed 2019·Granted Jul 23, 2024·1 cites·21 claims
- 0770US11980786B2Proportioner for a fire protection systemMINIMAX VIKING RES & DEV GMBH·Filed 2023·Granted May 14, 2024·0 cites·27 claims
- 0860US12478998B2Protection and installation device for fire protection sprinklersMINIMAX VIKING PATENT MAN GMBH·Filed 2022·Granted Nov 25, 2025·0 cites·21 claims
- 0960US11596821B2Proportioner for a fire protection systemMINIMAX VIKING RES & DEV GMBH·Filed 2020·Granted Mar 7, 2023·0 cites·33 claims
- 1058US2023158350A1Protected Branch Connector Assembly For Fire Protection SystemsMINIMAX VIKING RES & DEV GMBH·Filed 2022·Application pending·0 cites
- 1156US2023081536A1High-expansion foam generatorMINIMAX VIKING RES & DEV GMBH·Filed 2022·Application pending·0 cites
- 1252US11771936B2Proportioner for a fire protection systemMINIMAX VIKING RES & DEV GMBH·Filed 2020·Granted Oct 3, 2023·0 cites·32 claims
- 1352US11559710B2Fire protection containment unit for intermediate bulk containersVIKING GROUP INC·Filed 2021·Granted Jan 24, 2023·0 cites·17 claims
- 1445US2020360746A1Proportioner for a fire protection systemMINIMAX VIKING RES & DEV GMBH·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →