H.—lo.

H. —Table showing Number of Applications for Patents for the Different Classes of Inventions for each of the Years 1917, 1918, and 1919.

6

Class. 1917. 1918. 1919. Class. 1017. 1918. 1910. Advertising and displaying signs, &c. 2 I 5 Illuminating (except gas-manufac-ture) 11 Indicating, calculating, and measur52 ing (including moisture-testers) 12 13 20 Aeronautios Amusements, music, exercisers, games, &a. Attaching and scouring (including bolts, ties, &c.) 13 23 0 32 20 27 39 20 29 38 Kitchen utensils and cookingappliances (including ovens) 27 10 43 Boilers (steam) Boots and shoes Bottles, bottling, and glass-working Boxes, cans, and casks Brewing, distilling, &0. Brooms and brushes (including mops) Building construction „ (brick and cement compositions and moulding) „ (windows and doors) 5 39 9 34 2 21 5 33 12 52 5 11 5 : Lifting, hauling, and loading 38 Locks, latches, and hinges .. | 19 37 Marine and submarine (including 7 lake and river engineering) 9 Marking (tickets, labels, &o.) Medicines and surgical appliances 47 (including ear-instruments, dental 56 work, &c.j Metal-working (including welding, 17 stamping, and plating) Milking-machines* 32 Minerals (inoluding filtration, lixi13 ! viation, screens, &o.) 16 „ (magnetic separators) 2 „ (stampers and pulverizers) 13 ■ 46 ! Oils and lubricators .. 65 29 14 26 16 37 27 40 28 26 7 29 4 24 10 19 24 25 21 34 8 19 16 20 15 37 8 51 14 59 16 Chemicals Cleaning, polishing, &c. .. Closets and urinals Coin-freed mechanism Cooling and freezing Cultivating and tilling Cutting and sawing, and tools 15 4 9 4 13 49 45 15 9 9 3 3 39 30 4 i 7 4 14 19 Paints and painting (inoluding 30 kauri-gum) 3 Pipes, tubes, and hose .. .. j 8 Preserving .. Presses 12 j Printing and photography Pumps and sprayers (except rotary 40 pumps) 99 7 Railways and tramways .. Roads and ways| (including road50 watering) Seed-dressing, chaff-cutting, and threshing Socd-sowers Sewing and knitting Sheep and cattle (including veteri13 nary appliances) 15 Sheep shearing and clipping Shop and hotel fittings Stationery and paper 95 24 40 36 Dairying* .. .. Drains and sewers .. Dredging and excavating (inoluding rook-drills) Drying 29 3 3 15 1 4 8 2 9 17 9 0 2 15 11 10 9 3 27 17 13 10 Electricity and magnetism Engines (air, gas, and oil) (steam), including rotary pumps (miscellaneous and engine accessories) • including ourrent motors, solar motors, tide motors, wave motors, windmills, miscellaneous . motors Explosives, firearms, and targets .. Exterminating (including trapping animals) 11 52 12 33 43 11 16 2 20 3 20 7 11 38 3 9 t 4 4 9 16 i 8 14 25 7 18 22 25 15 15 10 13 15 4 14 28 4 6 28 5 9 31 Fenoing (strainers) Fibre-dressing (including ropemaking) Filters Fire alarms, escapes, ladders, and extinguishers Food ... Furnaoes and kilns (including smokeconsumers) and upholstery, desks, blinds, ourtains, &o. 8 12 5 0 24 19 20 6 Telephony and telegraphy (inoluding 16 phonographs) Tobacco 8 25 6 16 20 18 70 4 8 8 1 5 3 2 8 9 Valvos and cocks Vehicles 17 „ (velocipedes) • .. 17 Ventilating 8 9 3 31 26 5 2 54 37 16 66 32 7 20 23 | 14 17 17 51 42 59 Washing and oleansing Water-supplying Wearing-apparel 20 Wools and hides 59 15 6 21 10 13 2 25 12 17 1 33 6 Gas-manufaeture for lighting, heating, or power purposes 10 10 20 Miscellaneous inventions not in 13 other classes, as indiarubber14 manufacture, fishing-appliances, 71 &o. 13 14 71 10 11 10 Harness (inoluding horse, &c, covers) Harvesting and grading Heating, and fuel-manufacture .. 4 20 13 8 34 37 * Prior to 1911, milking-machines w( Note. —Owing to some inventions h actual number of applications received. 3re included in leing classified class " inder r lairying," but are now a separate class, ore than one heading, the figures will total rather more than the