✔ 最佳答案
You can go to this website and look for his inventions. As he had accumulated 1500-plus patents worldwide, he must have 1000+ inventions.
http://en.wikipedia.org/wiki/List_of_Edison_patents
Here*s some of his inventions:
1) Electrographic Vote-Recorder
2) Printing-Telegraphs
3) Printing-Telegraph Apparatus
4) Automatic Electrical Switch for Telegraph Apparatus
5) Electro-Motor Escapements
6) Printing-Telegraph Instruments
7) Governors for Electro-Motors
8) Telegraphic Transmitting Instruments
9) Relay-Magnets for Telegraph Instruments
10) Electro-Magnets for Telegraph Instruments
11) Machinery for Perforating Paper for Telegraph Purposes
12) Telegraph Apparatus
13) Telegraphic Recording Instruments
14) Type-Wheels for Printing-Telegraphs
15) Electro-Magnets
16) Rheotomes or Circuit-Directors
17) Transmitters and Circuits for Printing-Telegraphs
18) Unison-Stops for Printing-Telegraphs
19) Paper for Chemical Telegraphs etc.
20) Apparatus for Perforating Paper for Telegraphic Use
21) Electrical Printing-Machines
22) Type-Writing Machines
23) Circuits for Chemical Telegraphs