DIAPHRAGMS in general

DIAPHRAGMS for actuating electric switches

DIAPHRAGMS for cutting-off fluid flow

DIAPHRAGMS for electric batteries

DIAPHRAGMS for electrolytic capacitors

DIAPHRAGMS for electromechanical transducers

DIAPHRAGMS for emitting or receiving sound

DIAPHRAGMS for fluid meters

DIAPHRAGMS for optical graticules

DIAPHRAGMS in electrolysis or electrophoresis

optical DIAPHRAGMS used in photography

production of DIAPHRAGMS from ion-exchange resins

DIARYLMETHANE dyes

DIAZEPINES or derivatives thereof

DIAZETES or derivatives thereof

DIAZINE or derivatives thereof

DIAZIRIDINE or derivatives thereof

DIAZO amino compounds

DIAZO compounds

DIAZO oxides

DIAZO phenols

DIAZOLE or derivatives thereof

DIAZONIUM compounds

DIAZONIUM salts in photosensitive materials

DICE for games

DICING vegetables

DICKEYS for personal wear

condensation polymers with DICYANDIAMIDE(S)

DIELECTRIC(S) for cables or coaxial-lines for telecommunication

DIELECTRIC(S) for capacitors

DIELECTRIC(S) heating

DIELECTRIC(S) resonators

measuring DIELECTRIC(S) constant

testing DIELECTRIC(S) strength

DIELS-ALDER reactions in general

DIES for embossing

DIES for presses in general

DIES for producing plastic films or sheets

DIES for securing caps of bottles

making DIES for drawing of profiling metal see also catchwords for the metal-working operations involved

making DIES for screwing or thread-cutting see also catchwords for the metal-working operations involved

making DIES for working or processing sheet metal, metal tubes, rods or profiles without essentially removing material see also catchwords for the metal-working operations involved

making DIES from metal see also catchwords for the metal-working operations involved

making working faces of DIES by forging, pressing or hammering

making DIES for extruding metal see also catchwords for the metal-working operations involved

DIESEL engines

DIETETIC food products

DIFFERENTIAL gearing

DIFFERENTIAL in computing mechanisms

DIFFRACTION of electromagnetic waves

DIFFRACTION of electromagnetic waves in waveguides

DIFFRACTION of X-rays

optical elements using DIFFRACTION

DIFFUSING of liquids [= spraying]

optical DIFFUSING elements

DIFFUSION pumps

DIFFUSION transfer processes

DIFFUSION treatment of metals

investigating DIFFUSION

DIGESTERS for chemical or physical processes

DIGESTERS for obtaining cellulose

DIGESTING cellulosic materials

agricultural DIGGING -machines

DIGGING in soil-shifting

DIGGING -machines for harvesting agricultural crops

DIGITAL-ANALOGUE converters

medical DILATORS

controlling DIMENSIONS of material

measuring DIMENSIONS

DIMMING arrangements for electric lighting

DIMPLING of metal

DIMPLING of paper or card

DINING appliances

DINNER baskets

DINNER cans

DINNER services

DINNER wagons

discharge-tube DIODES

manufacture of DIODES

semiconductor DIODES

DIOXANES or derivatives thereof

DIP moulding

DIP moulding of clay or other ceramic compositions or cementitious material

DIP moulding of plastics or substances in a plastic state

DIP sticks

magnetic DIP sticks

measuring DIP of geological strata

DIPHENIC acid

DIPOLE aerials

DIPPER(S) arm excavators for dredging or soil-shifting

DIPPER(S) for sampling materials for investigation

apparatus for applying liquids or semi-liquids to surfaces by DIPPING

DIPPING -ducks; other DIPPING -toys

methods of coating by DIPPING

automatic control of DIRECTION

DIRECTION finding

DIRECTION finding by radio

DIRECTION indicators for vehicles

indicating DIRECTION of electric current

indicating DIRECTION of movement

measuring DIRECTION of fluid flow

DIRECTORIES [= look-up tables]

preventing accumulation of DIRT in pipes

preventing escape of DIRT in fumes

removing DIRT

hand-tools for DISASSEMBLING parts

machines for DISASSEMBLING parts

DISC(S) as engineering-elements in general

DISC(S) converters for digital signalling

DISC(S) for brakes

DISC(S) for clutches

DISC(S) for spinning or twisting

DISC(S) ploughs or harrows

CD-ROM

floppy DISC(S)

floppy DISC(S) envelops

friction DISC(S) for gearing

presses in general, using DISC(S) as pressing members

DISCHARGE lamps

DISCHARGE tubes

testing DISCHARGE tubes

heating by electric DISCHARGE

non-enclosed DISCHARGE apparatus

containers having DISCHARGING devices

DISCHARGING -devices associated with conveyers

DISCHARGING of contents from containers or packages

DISCHARGING of electrostatic charge see also catchwords for specific applications

DISCHARGING of furnaces

DISCHARGING of glass furnaces

DISCHARGING of sludge from settling tanks

DISCONNECTION of electric apparatus in emergency

testing electric lines for DISCONTINUITIES

DISCRIMINATORS discriminating pulses

DISCRIMINATORS for electric signals

DISCUS for throwing

DISGORGERS for fish