Ralf SPERLICH

Person

Witten, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Rotational decoupling for assembly and disassembly of a gearbox-int...
- Patent number 12,146,468
- Issue date Nov 19, 2024
- ZF Friedrichshafen AG
- Wim De Laet
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Sealing surface having leak-proof passage of an oil channel
- Patent number 11,293,542
- Issue date Apr 5, 2022
- ZF Friedrichshafen AG
- Ralf Sperlich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Retainer plates for fixing planet carrier and ring gear
- Patent number 10,969,002
- Issue date Apr 6, 2021
- ZF Friedrichshafen AG
- Ralf Sperlich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Planetary carrier for a gearset stage of a planetary gearset, and p...
- Patent number 10,746,285
- Issue date Aug 18, 2020
- ZF Friedrichshafen AG
- Joerg Muench
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
ASSEMBLING AND DISSEMBLING DEVICE
- Publication number 20240318713
- Publication date Sep 26, 2024
- ZF Friedrichshafen AG
- Wim DE LAET
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
ROTATIONAL DECOUPLING FOR ASSEMBLY AND DISASSEMBLY OF A GEARBOX-INT...
- Publication number 20230014947
- Publication date Jan 19, 2023
- ZF Friedrichshafen AG
- Wim De Laet
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
INSULATED PITCH TUBE
- Publication number 20220341398
- Publication date Oct 27, 2022
- ZF Friedrichshafen AG
- Dirk STRASSER
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
SEALING SURFACE HAVING LEAK-PROOF PASSAGE OF AN OIL CHANNEL
- Publication number 20210148452
- Publication date May 20, 2021
- Ralf SPERLICH
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
RETAINER PLATES FOR FIXING PLANET CARRIER AND RING GEAR
- Publication number 20200056679
- Publication date Feb 20, 2020
- ZF Friedrichshafen AG
- Ralf Sperlich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PLANETARY CARRIER FOR A GEARSET STAGE OF A PLANETARY GEARSET, AND P...
- Publication number 20190032771
- Publication date Jan 31, 2019
- ZF Friedrichshafen AG
- Joerg MUENCH
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Ralf SPERLICH

Person

Patents Grantslast 30 patents

Rotational decoupling for assembly and disassembly of a gearbox-int...

Sealing surface having leak-proof passage of an oil channel

Retainer plates for fixing planet carrier and ring gear

Planetary carrier for a gearset stage of a planetary gearset, and p...

Patents Applicationslast 30 patents

ASSEMBLING AND DISSEMBLING DEVICE

ROTATIONAL DECOUPLING FOR ASSEMBLY AND DISASSEMBLY OF A GEARBOX-INT...

INSULATED PITCH TUBE

SEALING SURFACE HAVING LEAK-PROOF PASSAGE OF AN OIL CHANNEL

RETAINER PLATES FOR FIXING PLANET CARRIER AND RING GEAR

PLANETARY CARRIER FOR A GEARSET STAGE OF A PLANETARY GEARSET, AND P...