TNAG-2890-FCO40-4162-Reform-and-localisation-of-the-Hong-Kong-Patent-System-1993 — Page 138

350

300

TABLE E (Cont.)

Patents registered in Hong Kong 1980

Class B

J

1990

250

200

150

100

اسية

64 65 66 67 68

لسلب

1 2 3 4 5 6 7 8 21 22 23 24 25 26 27 28 29 30 31 32′ 41 42 43 44 60 61 62′′

50

01

02

03

04

05

28 8 8 8 8582 22222

06

07

08

21

Section B Performing Operations.

Physical and chemical processes and apparatus (in general)

Crushing, pulverising or disintegrating; Preparatory treatment of grain for milling

Separation of solid materials using liquids or using pneumatic tables or jigs; Magnetic or electrostatic separation

Centrifugal apparatus or machines for carrying out physical or chemical processes

Spraying and atomising in general; Applying liquids to surfaces in general

Generating or transmitting mechanical vibrations in general Separating solids from solids; Sorting

Cleaning

Mechanical metal working without essentially removing material; Punching metal

Casting; Powder metallurgy

23 Machine tools; Metal working not otherwise provided for

Grinding; Polishing

Hand tools; Portable power driven tools; Manipulators

Hand cutting tools; Cutting machines and devices not specially adapted for particular materials or purposes

Working and preserving wood or similar material; Nailing or stapling machines in general

24

25

26

27

28

Working cement, clay, and stone

29

Working of plastics; Working of substances in a plastic state, in general; Working of substances not otherwise provided for

30

Presses

31

Making paper articles; Working paper

32

Layered products

41

42

43

44

60

Vehicles in general

61

Railways

62

63

64

65

66

Printing; Lining machines; Typewriters; Stamps

Bookbinding; Albums; Files; Special printed matter

Writing and drawing appliances; Bureau accessories Sculpturing; Decorative art; Painting; Casting

Land vehicles for travelling otherwise than on rails Ships or other water-borne vessels' Related equipment

Aircraft; Aviation; Cosmonautics

Conveying; Packing; Storing; Handiing thin or filamentary material Hoisting; Lifting; Hauling

67

Liquid Handling

68

Saddlery; Upholstery

66