measuring FREQUENCY of mechanical vibrations

measuring resonant FREQUENCY of bodies

FREQUENCY changing in power supply systems

FREQUENCY changing in circuits for transference of modulated signals

FREQUENCY discriminators

FREQUENCY dividers for pulses

FREQUENCY dividers for sinusoidal oscillations

FREQUENCY modulation of pulses

FREQUENCY modulation of sinusoidal oscillations

measuring FREQUENCY of AC

multiplex systems using FREQUENCY division

networks for FREQUENCY selection

regulating or synchronising FREQUENCY

automatic control of radio FREQUENCY

waveguide devices for FREQUENCY selection

FRET saws see also SAW(S)

determining coefficient of FRICTION

producing plastics articles with high coefficient of FRICTION

producing plastics articles with reduced coefficient of FRICTION

FRICTION gearing

FRICTION -grip fasteners

FRICTION linings

FRICTION spinning

FRICTION welding

generating electricity by FRICTION

reducing effect of FRICTION in instruments

reducing fluid FRICTION

FRIEDEL-CRAFTS reactions

artificial hair FRINGES

FROGS for railway tracks

protecting plants from FROST

FROSTING surfaces by abrading

FROZEN sweets

apparatus for printing or stamping on FRUIT

artificial FRUIT

cabinets, racks, or trays for domestic FRUIT storage

cultivation of FRUIT trees

cutting or slicing FRUIT

devices for coring, destalking or stoning FRUIT

devices for coring, destalking or stoning FRUIT in bulk

domestic peeling or paring of FRUIT

domestic FRUIT presses

drying FRUIT

extracting of juices from FRUIT

FRUIT jellies

FRUIT juices

hand-knives for FRUIT

packaging FRUIT

peeling FRUIT in bulk

picking FRUIT

preserving FRUIT

stoning FRUIT in bulk

storage of FRUIT on the farm

adding materials to FUEL(S) to improve them

combustion apparatus for liquid, gaseous, or fluent FUEL(S)

combustion apparatus for only solid FUEL(S)

feeding FUEL(S) to combustion apparatus

FUEL(S) based on waste materials

FUEL(S) boxes

FUEL(S) briquettes

FUEL(S) bunkers

FUEL(S) cells or batteries

FUEL(S) injection peculiar to internal-combustion engines

gaseous FUEL(S)

investigating FUEL(S)

liquid FUEL(S)

nuclear FUEL(S) elements for reactors

obtaining FUEL(S) from peat

regulating or controlling FUEL(S) supply in combustion in general

solid FUEL(S)

storage of FUEL(S)

stoves or ranges using gaseous or liquids FUEL(S)

stoves or ranges using solid FUEL(S)

treating FUEL(S) to improve their quality

FULLING fibres, threads, yarns or fabrics using inorganic substances

FULLING hides

FULLING textile fabrics

FULMINATES in detonating or priming compositions

preventing escape of dirt or FUMES

removal or treatment of FUMES in combustion apparatus

removing cooking FUMES from domestic stoves or ranges

FUMIGATING animals or plants

FUMIGATING for sanitary purposes see also DISINFECTING

biocide or pesticide compositions for FUMIGATION

preserving grain or seeds by FUMIGATION

preservation of food by FUMIGATION

evaluating FUNCTIONS see also COMPUTING

FUNERAL(S) cards

FUNEREAL devices

new FUNGI

edible FUNGI preparations

edible protein from FUNGI

paints containing FUNGICIDES

paper or cardboard containing FUNGICIDES

FUNICULAR railways

FUNNELS in packaging machines, for filling containers

pie FUNNELS

bleaching FUR(S)

dyeing FUR(S)

garments of FUR(S)

making garments from FUR(S) treating FUR(S)

FURAN or derivatives thereof

FURLING sails

FURNACES in general

blast FURNACES

combustion apparatus for FURNACES

continuous FURNACES for treating strip or wire

details of electric FURNACES

details of FURNACES of general application

fluidised-bed FURNACES

FURNACES for cremation

FURNACES for enamelling

FURNACES for heat treatment of metals or particular articles

FURNACES for producing glass

manipulators for charging FURNACES

puddling FURNACES

soaking pits for FURNACES

FURNISHING for windows or doors

beds, bedsteads, couches or sofas

cabinets, racks or shelf units

chairs, stools or benches

cleaning of FURNITURE

combined, convertible or sectional

compartmented FURNITURE for use in sorting

details or elements of FURNITURE

dolls FURNITURE

floatable FURNITURE for lifesaving in water

FURNITURE adapted to carry sewing machines

FURNITURE for hairdressers' rooms

FURNITURE for printers

FURNITURE for schools

FURNITURE for shops, warehouses or bars

FURNITURE for water-borne vessels

FURNITURE joints or fastenings

FURNITURE polish

FURNITURE screens

hats, clothing, umbrella or like racks or stands

loose covers for FURNITURE

making wooden FURNITURE

tables or desks

upholstery for FURNITURE

preventing FURRING in cooking vessels

making or covering FURROWS

aircraft FUSELAGES

FUSES combined with other electric components or apparatus see catchwords for the other components or apparatus

FUSIBLE links for fire sprinklers

[= melting]

nuclear FUSION reactors

chemical aspects of FUZE(S)

blasting cartridge initiators

FUZZY logic based computer system