H.—lo.

H.—Table showing Number of Application for Patents for the Different Classes of Inventions for each of the Years 1915, 1916, and 1917.

I.—Applications pending at End of Year 1917. Total, 1,318.

8

Class. 191S. 1916. 1910. 1917. Cla,ss. 1915. 1910. 1917. Advertising and displaying signs, &c. 5 5 4 Illuminating (except gas-manufac-ture) Indicating, calculating, and measuring (including moisture-testers) 12 20 12 Aeronautics ... .. .. 8 Amusements, music, exercisers, 32 games, &c. Attaching and seouring (including 21 bolts, ties, &c.) 8 7 32 35 13 23 37 20 26 21 j 11 20 Kitchen utensils and cookingappliances (including ovens) 35 33 27 Boilers (steam) .. .. .. 11 Boots and shoes .. .. .. 26 Bottles, bottling, and glass-working 9 Boxes, cans, and casks .. .. 33 Brewing, distilling, &c. .. .. 2 Brooms and brushes (including 8 mops) Building construction .. .. 28 I (brick and cement oom- 22 positions and moulding) „ (windows and doors) .. 31 | 11 4 26 34 9 16 33 29 2 8 8 5 39 9 84 2 21 Lifting, hauling, and loading Locks, latches, and hinges Marine and submarine (including lake and river engineering) Marking (tickets, labels, &o.) Medicines and surgical appliances (including oar-instruments, dental work, &c.) Metal-working (including welding, stamping, and plating) Milking-machines * Minerals (inoluding filtration, lixiviation, screens, &o.) Ditto (magnetic separators) „ (stampers and pulverizers) .. 25 13 43 16 15 19 29 14 46 12 16 14 23 7 29 28 | 17 22 ! 28 24 25 15 8 8 31 | 9 20 Chemicals .. .. .. 8 Cleaning, polishing, &c. .. .. 10 Closets and urinals .. .. 21 Coin-freed mechanism .. .. 2 Cooling and freezing .. .. 8 Cultivating and tilling .. .. 25 Cutting and sawing, and tools .. 32 3 6 10 15 21 14 2 11 8 4 25 32 32 36 15 4 9 4 13 49 45 55 11 51 14 37 8 1 2 'o 4 Oils and lubricators 20 5 4 Dairying* .. .. .. j 22 Drains and sewers .. .. 3 Dredging and excavating (including 9 rook-drills) Drying .. .. .. .. 6 22 21 3 2 9 4 29 3 3 Paints and painting (inoluding kauri-gum) Pipes, tubes, and hose Preserving Presses Printing and photography Pumps and sprayers (except rotary i pumps) 11 8 3 4 11 7 11 7 6 1 10 16 24 4 8 2 9 17 6 23 13 Electricity and magnetism .. 21 Engines (air, gas, and oil) .. I 26 (steam), including rotary 9 pumps (miscellaneous and engine 26 accessories) including current motors, solar motors, tide motors, wave motors, windmills, miscellaneous motors Explosives, firearms, and targets .. 25 Exterminating (including trapping 12 animals) 21 22 26 22 9 9 20 26 11 52 12 41 Railways and tramways .. Roads and ways (including roadwatering) Seed-dressing, chaff-cutting, and threshing Seed-sowers .. .. Sewing and knitting .. Sheep and cattle (including veterinary appliances) Sheep shearing and clipping Shop and hotel fittings Stationery and paper 32 1 6 34 7 5 16 2 3 12 9 23 6 8 18 4 9 16 85 15 25 15 2 9 23 3 11 32 4 14 28 Fencing .. .. .. 14 (strainers) .. .. 5 F'ibre-dressing (including rope- * 25 making) Filters .. .. .. .. j 2 Fire alarms, escapes, ladders, and j 14 extinguishers Food .. .. .. ..8 Furnaces and kilns (including smoke- ; 7 consumers) Furniture and upholstery, desks, [ 34 blinds, curtains, &c. 19 4 IS 8 5 24 Telephony and telegraphy (including phonographs) Tobaooo 26 24 26 8 2 4 2 9 1 8 Valves and cooks Vehicles (velocipedes) Ventilating .. .. .. S 10 32 86 6 9 32 34 5 3 31 26 5 6 5 7 23 55 51 Washing and cleansing .. Water-supplying .. .. j Wearing-apparel .. .. Wools and hides 17 6 22 7 17 7 27 6 15 6 21 10 Gas-manufacture for lighting, heat- 17 ing, or power purposes 14 10 Harness (including horse, &o., covers) 18 Harvesting and grading .. ,. 9 Heating and fuel-manufacture .. 27 17 6 25 4 18 34 Miscellaneous inventions not in other classes, as indiarubbermannfacture, fishing-appliances, 4 4 10 * Prior to 1911, milking-machines were inclu Notr. —Owing to some inventions being elai actual number of applications received. idea in ssitied "1 tndev in latrying," but are now a separate class, ire than one heading, the figures will total rathe] more t] ban the »