What did nikola tesla invent?

2 Arc lamp (arc lamp)

3 generator motor regulator

4 generator electronic regulator

5 generator motor

6 electromagnetic motor

7 electromagnetic motor

8 distribution system

9AC transmission system and distribution scheme

10 power transformation and distribution scheme

1 1 generator commutator

12 AC motor regulator

13 thermomagnetic motor

14 operation method of electromagnetic motor

15 generator motor

16 method of obtaining DC from AC power supply

17 motor armature

18 electromagnetic engine

19 motor generator set

20 AC electromagnetic motor

2 1 AC motor

22 Power transformers and induction devices

23 method of operating arc lamp

24 alternator

25 electronic lighting system

26 electric meter

27 incandescent lamp

28 power transformation and distribution scheme and power supply device

29 electrocoagulation device

30 electromagnetic coil

3 1 electrical conductor

32 Device for generating electric current

33 reciprocating engine

34 single-node incandescent lamp

35 electrified railway system

36 steam engine

37 AC motor

38 power capacitor

Current device for generating high frequency and electric potential

Equipment for producing ozone

4 1 method of modulating high frequency current device

Method and device for generating high-frequency current

Method for manufacturing capacitors, coils and similar devices

44 power transformer

45 circuit controller

Igniter of 46 gas engine

47 Method and device for controlling moving vehicle or vehicle mechanism (radio remote control)

48 Power transmission system (radio)

49 Device for transmitting electric energy

Method for manufacturing insulated electrical conductor

5 1 device for increasing electric oscillation intensity

Devices and equipment for long-distance transmission or reception through natural media (radio transmission reference)

Method of transmitting or receiving equipment or devices through natural media

Equipment using radiant energy

Method of using radiant energy

56 signal generator

57 signal system

58 Tesla pump (fluid propulsion)

59 Tesla turbine (bladeless turbine)

Fountain system

6 1 Tesla coil (device for transmitting electric energy)

62 speed indicator

63 lightning protection device

64 ship log

65 Tesla valve (valve guide)

66 ammeter

67 frequency meter

Air transport plan

69 air transport equipment

70 induction motor

7 1 asynchronous motor

A * * * is so many, 300 patents, so there are only 7 1 patent.