List of inventions

Invention class Please choose ...A: Mechanics – Engines – Machinery – Tools – Industrial processes – MetallurgyB: Watchmaking – Jewellery – Machinery – ToolsC: Electronics – Electricity – Methods of communication – Electrical networkD: Building – Architecture – Civil Engineering – Construction – Materials – WoodworksE: Sanitation – Ventilation – HeatingF: Security – Rescue – AlarmG: Ironmongery – Do It YourselfH: Furnishing – Interior architectureI: Domestic science – Restaurant equipmentJ: Commercial – industrial and office equipmentK: Agriculture – Horticulture – GardeningL: Clothing – Textiles – Machines and accessoriesM: Medicine – Surgery – Orthopaedics – Material for disabledN: Optics – Photography – Cinematography - EyewearO: Teaching methods and materials – Musical Instruments – Art materialsP: Transport – Moto vehicles – Ships – Aviation – AccessoriesQ: Foodstuffs – Drinks – Cosmetics – Paramedical – Health – HygieneR: Sport – LeisureS: Practical novelties – PresentsT: Publicity – Printing – PackagingU: Games – ToysV: Protection of the environment – RecyclingW: Hardware – Software – Cybersecurity – Blockchain – Internet of things (IoT)Z: Energy – Renewable and green energy