Petr KROPOTIN

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Almaty, KZ

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Patents Applicationslast 30 patents

Information Patent Application
CONSTRUCTION SYSTEM FOR ERECTING HIGH-RISE LOAD-BEARING FRAME STRUC...
- Publication number 20250207386
- Publication date Jun 26, 2025
- PRAK Energy Inc.
- Petr KROPOTIN
- E04 - BUILDING
Information Patent Application
ENERGY STORAGE AND DELIVERY SYSTEM WITH A WEIGHT ELEVATION
- Publication number 20250084832
- Publication date Mar 13, 2025
- PRAK Energy Inc.
- Petr KROPOTIN
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...