H.—lo.

I.—Table showing Number of Applications for Patents for the Different Classes of Inventions for each of the Years 1916, 1917, and 1918.

.I.—Applications pending at End of Year 1918. Total, 1,409.

8

Class. 1910. 1917. j 1918. Class. 1916. I 1917. I 1918. Advertising and displaying signs, tie. 4 2 Illuminating (except gas-mannfae- 20 ture) Indicating, calculating, and measur- 20 ing (inoluding moisture-testers) Kitchen utensils and cooking- 33 appliances (including ovens) 12 26 27 13 Aeronautics .. .. .. 7 Amusements, music, exercisers, 35 games, &c. Attaching and securing (including 11 bolls, ties, &c.) 13 23 6 32 27 20 29 16 Boilers (steam) .. .. .. 4 Boots and shoes.. .. .. 34 Bottles, bottling, and glass-working 16 Boxes, cans, and casks .. .. 29 Brewing, distilling, &c. .. Brooms and brushes (including 8 mops) Building construction .. .. 17 „ (brick and cement com- 28 positions and moulding) (windows and doors) .. 9 5 39 9 34 2 21 5 33 12 52 5 11 Billing, hauling, and loading .. 16 Docks, latches, and hinges .. i 15 29 14 26 16 Marine and submarine (including 19 lake and river engineering) Marking (tickets, labels, Ac.) .> 14 Medicines and surgical appliances 23 (including car-instruments, dental work, &c.) Metal-working (including welding, 8 stamping, and plating) Milking-machines* .. .. 51 Minerals (inoluding filtration, lixi- 14 viation, screens, Ac) (magnetic separators) „ (stampers and pulverizers) 6 46 7 29 8 37 8 4 28 4 24 24 25 21 34 19 20 i 15 | Chemicals .. .. .. 6 Cleaning, polishing, &c. .. .. 15 Closets and urinals .. .. 14 Coin-freed mechanism .. .. 11 Cooling and freezing .. .. 4 Cultivating and tilling .. .. 32 Cutting and sawing, and tools .. : 36 15 4 9 4 13 49 45 15 j 9 9 j 3 f 3 39 [ 30 51 14 1 Oils and lubrioators .. .. 5 i 4 1.4 Dairying' .. .. 21 Drains and sewers .. .. 2 Dredging and excavating (including ; 4 rock-drills) . Drying .. .. .. .. i 23 29 3 3 15 i Paints and painting (inoluding 11 kauri-gum) Pipes, tubes, and hose .. .. 7 Preserving .. .. .. 6 Presses .. .. .. 1 Printing and photography .. 10 Pumps and sprayers (except rotary 16 pumps) 24 4 8 2 9 17 40 9 6 . 2 15 11 13 10 Electricity and magnetism .. 22 Engines (air, gas, and oil) .. 22 (steam), including rotary 9 pumps (miscellaneous and engine 26 accessories) including ourrent motors, solar motors, tide motors, wave motors, windmills, miscellaneous: motors Explosives, firearms, and targets .. [ 35 Exterminating (including trapping 15 animals) 11 52 12 33 43 ii ! 20 8 41 38 Railways and tramways .. .. 34 Roads and ways (including road- 7 watering) 16 2 Seed-dressing, chaff-cutting, and 5 | threshing Seed-sowers .. .. .. 6 Sewing and knitting .. .. 8 Shoep and cattle (inducing veteri- 18 nary appliances) Sheep shearing and clipping .. 3 Shop and hotel fittings .. .. 11 Stationery and paper .. .. 32 3 4 9 16 4 14 28 9 8 14 25 25 15 15 10 4 6 28 Fencing .. .. .. 19 (strainers) .. .. j 4 Fibre-dressing (including rope- '< 15 making) Filters .. .. .. „ S Fire alarms, escapes, ladders, and 9 extinguishers Food .. .. .. .. 6 Furnaces and kilns (including smoke- 5 consumers) Furniture and upholstery, desks, , 55 blinds, curtains, &c. 8 5 24 I 12 6 19 Telephony and telegraphy (including 24 phonographs) Tobacco .. .. .. 2 26 4 18 8 1 3 5 2 Val vos and cocks .. .. 9 Vehicles .. .. ..32 „ (velocipedes) .. .. 34 Ventilating .. .. .. 5 3 31 26 5 2 54 37 7 23 20 14 51 42 Washing and cleansing .. .. 17 Water-supplying .. .. 7 Wearing-apparel .. .. 27 Wools and hides .. .. 6 15 6 21 10 13 2 25 12 Gas-manufacture for lighting, heat- 14 ing, or power purposes Harness (including horse,&c, covers); 17 Harvesting and grading .. .. 0 Heating and fuel-manufacture .. I 25 10 4 13 34 10 20 8 37 Miscellaneous inventions not in , 4 other classes, as indiarubbermanufaeture, fishing-appliances, Aic. 10 I 11 * Prior to 1911, mllB.ing.maob.ines were inel Note.—Owing to some inventions being el; actual number of applieations received. lulled in class " l: assifled under in lairying," hut are now a separate class. nre than one heading, the figures will total rather rathe' - more tian thft more t]