CH2944A
(en )
1891-05-30
Apparatus for the automatic cleaning of the turbine protection screens
CH71574A
(en )
1916-01-17
Method and apparatus for opening and cleaning fiber material
CH2268A
(en )
1890-09-30
Apparatus for preventing pickpockets
CH74314A
(en )
1917-02-16
Apparatus for cleaning pipelines
CH65474A
(en )
1914-06-16
Apparatus for trapping harmful animals
CH3000A
(en )
1891-05-30
Apparatus for sterilizing filter media
CH8585A
(en )
1894-11-30
Apparatus for carbonizing wool
CH56790A
(en )
1912-11-16
Apparatus for cleaning materials
CH52782A
(en )
1912-01-02
Method and apparatus for purifying boiler feed water
CH1662A
(en )
1890-03-15
Apparatus for hardening the inside of steel pipes
CH59520A
(en )
1913-06-02
Method and apparatus for extinguishing fire with fire extinguishing powder
CH42497A
(en )
1909-02-01
Apparatus for cutting apart several pieces woven side by side
CH49735A
(en )
1911-03-16
Apparatus for cleaning floors
CH53471A
(en )
1912-03-01
Apparatus for polishing gemstones
CH73546A
(en )
1916-10-16
Apparatus for cutting radish
CH4967A
(en )
1892-09-15
Apparatus for digging under railway sleepers
CH3577A
(en )
1891-10-31
Apparatus for peeling stones
CH56188A
(en )
1912-10-01
Apparatus for reworking valve seat surfaces
CH65331A
(en )
1914-06-01
Method and apparatus for preparing woven fabrics for patterning
CH60339A
(en )
1913-07-01
Apparatus for indicating the nature of the atmosphere
CH3034A
(en )
1891-05-30
Apparatus for self-rescue in the event of fire
CH2170A
(en )
1890-09-15
Apparatus for regrinding drills
CH59129A
(en )
1913-05-02
Apparatus for dyeing fabrics
CH68674A
(en )
1915-04-01
Apparatus for retouching
CH51100A
(en )
1911-07-17
Device for cleaning threads by means of rotatable rollers