A

• [+] American inventions (1 C, 147 P)
• [+] Australian inventions (31 P)
• [+] Austrian inventions (1 C, 5 P)

B

• [+] Belarusian inventions (1 P)
• [+] Brazilian inventions (2 P)
• [+] British inventions (3 C, 22 P)

C

• [+] Canadian inventions (53 P)
• [+] Chinese inventions (11 P)

F

• [+] French inventions (12 P)

G

• [+] German inventions (1 C, 23 P)

H

• [+] Hungarian inventions (14 P)

I

• [+] Indian inventions (8 P)
• [+] Israeli inventions (1 P)
• [+] Italian inventions (1 C, 34 P)

J

• [+] Japanese inventions (1 C, 9 P)

N

• [+] Norwegian inventions (4 P)

P

• [+] Polish inventions (17 P)

R

• [+] Russian inventions (82 P)

S

• [+] Scottish inventions (2 C, 45 P)
• [+] Soviet inventions (6 C, 75 P)
• [+] Spanish inventions (7 P)
• [+] Swedish inventions (12 P)
• [+] Swiss inventions (8 P)

T

• [+] Turkish inventions (2 P)

U

• [+] Ukrainian inventions (2 P)