H.—lo.

G.—Number of Applications for Patents for the Different Classes of Inventions in each of the Years 1935 and 1936, together with the Average for the Years 1930-34 (inclusive).

H. —Total Number of Applications for Patents, Letters Patent sealed, and Letters Patent in Force for Full Term under the Different Patents Acts, up to 31st December, 1936 (inclusive).

8

Class. 1930-34 1935. 1936. Class. 1930-34 1935. 1986. Advertising and displaying signs, 25-4 18 16 Illuminating (except gas-manufac- 56-4 72 73 &c. ture) Aeronautics .. .. ..13-6 15 13 Indicating, calculating, and measur- 55-8 48 54 Amusements, music, exercisers, 60-0 50 36 ing (including moisture-testers) games, &c. Attaching and securing (including 23-0 16 19 Kitchen utensils and cooking appli- 52-4 53 45 bolts, ties, &c.) ances (including ovens) Lifting, hauling, and loading .. 54-0 22 19 Boilers (steam) .. .. .. 6'2 2 3 Locks, latches, and hinges .. 23-8 18 19 Boots and shoes.. .. ..24-8 17 19 Bottles, bottling, and glass-working 31-0 33 42 Marine and submarine (including 19-8 12 13 Boxes, cans, and casks .. 87 • 4 62 47 lake and river engineering) Brewing, distilling, &c. .. .. 13-8 11 12 Marking (tickets, labels, &c.) .. 11-4 8 5 Brooms and brushes (including 16-8 16 7 Medicines and surgical appliances 35-2 21 28 mops) (including ear-instruments, dental Building-construction .. .. 36-6 21 40 work, &c.) Building - construction (brick and 26-6 17 26 Metal-working (including welding, 19-2 29 22 cement compositions and mould- stamping, and plating) ing) Milking-machines* .. ..44-0 27 39 Building-construction (windows and 26-2 14 17 Minerals (including filtration, lixivia- 18-6 19 18 doors) tion, screens, &c.) Minerals (magnetic separators) .. 0-4 1 Chemicals .. .. ..12-2 12 22 Minerals (stampers and pulverizers) 3 ■ -I 4 1 Cleaning, polishing, &c. .. ..19-6 14 21 Closets and urinals .. .. 22-4 22 18 Oils and lubricators .. .. 18-2 14 23 Coin-freed mechanism .. ..12-0 15 6 Cooling and freezing .. ..27-4 22 20 Paints and painting (including 12-0 3 8 Cultivation and tilling .. ..46-4 40 28 kauri-gum) Cutting and sawing, and tools .. 56-0 50 37 Pipes, tubes, and hose .. ..21-8 14 14 Preserving .. .. ..15-4 16 10 Dairying* .. .. .. 51-2 50 30 Presses .. .. ..8-4 4 4 Drains and sewers .. ..3-2 2 1 Printing and photography .. 28-2 17 15 Dredging and excavating (including 7-0 7 7 Pumps and sprayers (except rotary 24-8 25 18 rock drills) pumps) Drying .. .. .. 16-2 20 9 Railways and tramways .. .. 19-8 9 17 Electricity and magnetism .. 90-4 76 85 Roads and ways (including road 14-2 15 16 Engines (air, gas, and oil) .. 56-6 46 37 watering) Engines (steam), including rotary 15-0 13 10 pumps Seed-dressing, chaff - cutting, and 6-4 6 6 Engines (miscellaneous and engine 36-8 26 21 threshing accessories), including current Seed-sowers .. .. ..15-8 12 21 motors, solar motors, tide motors, Sewing and knitting .. .. 21-6 17 21 wave motors, windmills, miscel- Sheep and cattle (including veteri- 30'8 28 25 laneous motors nary appliances) Explosives, firearms, and targets .. 4-4 8 9 Sheep shearing and clipping .. 2-8 3 2 Exterminating (including trapping 18-8 33 21 Shop and hotel fittings .. ..27-4 25 16 animals) Stationery and paper .. 39 • 6 35 29 Eencing .. .. .. 14-6 12 13 Fencing (strainers) .. .. 2-8 1 3 Telephony and telegraphy (including 248-4 319 488 Fibre - dressing (including rope- 18-6 26 22 phonographs, &c.) making) Tobacco .. .. ..19-4 7 9 Filters .. .. .. .. 6-2 2 3 Fire alarms, escapes, ladders, and 13.2 9 11 Valves and cocks .. .. 16-0 18 20 extinguishers Vehicles .. .. ..76-2 61 53 F°°d .. .. .. 19'4 18 21 Vehicles (velocipedes) .. ..21-4 17 14 Furnaces and kilns (including smoke- 15-6 18 16 Ventilating .. .. 6-6 12 9 consumers) Furniture and upholstery, desks, 44-6 38 38 Washing and cleansing .. ..33-8 27 25 blinds, curtains, &c. Water-supplying .. .. 8-0 9 5 Wearing-apparel .. ..49-8 56 57 Gas-manufacture for lighting, heat- 6-6 5 12 Wools and hides .. .. 14-2 10 12 ing, or power purposes Miscellaneous inventions not in 19-2 12 23 Harness (including horse, &c., covers) 3-8 8 5 other classes, as indiarubberHarvesting and grading .. ..33-0 22 15 manufacture, fishing - appliances, Heating, and fuel-manufacture .. 46-0 49 53 &c. | * Prior to 1911 milking-machines were included in class " Dairying, " but are now a separate class. Note.—Owing to some inventions being classified under more than one heading, the figures will total more than the actual number of applications received.

Number ,, , Total on which ! ,?T b f r Number of Letters Patent °? Applications. have been w £ lch F ™ al sealed. Fee P aid ' Act of 1860 .. .. 1861 to 1870 .. .. 109 109 109 „ 1870 .. .. 1871 to 1883 .. .. 881 ! 687 465 ,, 1883 .. .. 1884 to 1889 .. .. 3,170 | 1,757 368 Acts of 1889 and 1908 .. 1890 to 30th June, 1912 .. 27,419 j 12,711 2,591 Act of 1911 .. .. 1st July, 1912, to 30th June, 1922 16,750 I 7,773 1,660 „ 1921-22 .. .. 1st July, 1922, to 31st Dec., 1936 28,909 15,486 3,187 Grand totals . . 77,238 38,523 8,380