treatment of OAKUM

belts or supports for correcting OBESITY

optical OBJECTIVES

counting of OBJECTS

animal OBSTETRICS

instruments or methods for OBSTETRICS

ramps for surmounting road OBSTRUCTIONS

dental OBTUNDERS

OBTURATORS for dentistry

OBTURATORS for optical apparatus in general

OBTURATORS for spectacles

OBTURATORS for surgery

maps or charts of OCEANS

sounding OCEANS

seals in plumbing installations

OESOPHAGEAL instruments for surgery

OESTRANES or derivatives thereof

meat products from OFFAL

identifying traffic OFFENDERS

building aspects of OFFICE(S)

OFFICE(S) furniture

OFFICE(S) stools

processes for preparing printing surfaces for OFFSET

presses or machines for OFFSET

chemical modification of fatty OIL(S)

clearing OIL(S) from open water

cooking in OIL(S)

destructive distillation of OIL(S) shale

drilling for OIL(S)

drying-OIL(S) see DRYING

edible OIL(S)

essential OIL(S); fatty OIL(S)

essential OIL(S) for food use

fighting fire in OIL(S) wells

ground foundation measures for protecting the soil or the subsoil, e.g. preventing or counteracting oil pollution

investigating OIL(S)

lubricating OIL(S)

obtaining OIL(S) from deep wells

OIL(S) cloth

OIL(S) cans; OIL(S) syringes

OIL(S) lamps, non-portable

OIL(S) lamps, portable

OIL(S) savers for boreholes

OIL(S) shale, destructive distillation of

separation plants for treating OIL(S) shale, destructive distillation of

OIL(S) stones

OIL(S) stoves or ranges

producing hydrocarbon mixtures from OIL(S) sand or OIL(S) shale

protection of soil against OIL(S)

removing OIL(S) pollution from water

apparatus for OILING of fabrics, yarns or other fibrous materials

OILING of yarns during spinning or twisting

working-up OINTMENTS

OLEIC acid

OPEN-CAST mining

arrangements on containers or packages to facilitate OPENING

devices for OPENING folded sheets or signatures

OPENING closed containers

OPENING containers in association with packaging

OPENING eggs

OPENING envelopes

OPENING fibres

OPENING fibre bales

OPENING hair grips

OPENING oysters at table

cases for OPERA

appliances for performing surgical or medical OPERATION(S)

furniture for OPERATION(S)

OPERATIONAL for analogue computers

coating glass fibres to obtain OPTICAL(LY) fibres

designs or pictures producing special OPTICAL(LY) effects

installation of combined OPTICAL(LY) and electric cables or lines

producing-elements from plastics or substances in a plastic state

OPTICAL(LY) active compounds, separation of

racemisation of OPTICAL(LY) active compounds

OPTICAL(LY) benches

OPTICAL(LY) bleaching of fibres or fabrics

OPTICAL(LY) bleaching additives in paper-making

OPTICAL(LY) coatings

OPTICAL(LY) elements

OPTICAL(LY) fibres

OPTICAL(LY) illusions for theatres or conjuring

OPTICAL(LY) logic elements

OPTICAL(LY) toys

OPTICAL(LY) recording or reproducing

testing of OPTICAL(LY) apparatus

transmission systems using OPTICAL(LY) fibres

treating surfaces to obtain OPTICAL(LY) effects

OPTIMISATION in control systems

coatings for obtaining ORANGE(S) -peel effect

hand peelers for ORANGE(S)

squeezers for ORANGE(S)

ORDER telegraphs

foundations for ORDNANCE

extracting metal compounds from ORES by wet processes

mining ORES

treating ORES to obtain iron

treating ORES to obtain other metals, alloys or compounds

treating ORES to obtain other metals, alloys or compounds by electrolytic treatment

treating ORES to obtain other metals, alloys or compounds by electrothermal treatment

washing or separating ORES

panning gold ORES

solid state devices using ORGANIC materials

ORGANO-METALLIC as additives for plastics

use of ORGANO-METALLIC as pesticides or herbicides

use of ORGANO-METALLIC in anti-fouling paints

macromolecular ORGANO-METALLIC

selection of magnetic ORGANO-METALLIC material

treating fibres or fibrous goods with ORGANO-METALLIC

computer ORGANS

article- ORIENTING devices associated with conveyers

ORIENTING articles for sorting

ORIENTING articles to be packaged in packaging machines

ORIENTING fibres during spinning

ORIENTING of sheets, webs or filamentary material

fluid dynamics of ORIFICES

ORNAMENTING footwear

ORNAMENTING furniture

ORNAMENTING leather surfaces

hanging or displaying of ORNAMENTS

ORNAMENTS for Christmas trees

ORNAMENTS for garments

ORNAMENTS for personal wear

ornamental textile articles

religious ORNAMENTS

preparation of ORTHO-ESTERS

ORTHOPAEDIC appliances

damping mechanical OSCILLATIONS

generating electric OSCILLATIONS

generating electric OSCILLATIONS by spark-gaps

generating electric OSCILLATIONS by stimulated emissions

generating electric OSCILLATIONS in dynamo-electric machines

generating electric OSCILLATIONS in power inverters

electric OSCILLATORS

blocking OSCILLATORS

electric OSCILLATORS used for time measurement

fluid OSCILLATORS

automatic control, starting, synchronisation or stabilisation of generators of electronic OSCILLATORS

peeling OSIER rods