CH12591A
(en )
1897-01-31
Spray device for disinfecting and perfuming
FR335046A
(en )
1904-01-08
Apparatus for the use of rubbish and ash
FR383924A
(en )
1908-03-24
Method and apparatus for the sanitation of cities
FR359424A
(en )
1906-03-26
Hygienic device for the automatic destruction of faeces and the purification of waste water
CH35507A
(en )
1906-08-31
Apparatus for the destruction of faeces and the purification of waste water
FR352190A
(en )
1905-08-04
Device for turning and rectifying crankshafts
FR422442A
(en )
1911-03-21
Device for scraping and cleaning water pipes, pipes, etc.
FR388723A
(en )
1908-08-20
Device for the destruction of bedbugs and the sanitation of apartments
FR333307A
(en )
1903-11-21
Apparatus for teaching arithmetic
FR11057E
(en )
1909-12-04
Apparatus for the solubilization and nitrification of faeces and waste water
FR361034A
(en )
1906-05-14
Apparatus for depicting a person's character from the character of his hand
CH47959A
(en )
1910-08-16
Apparatus for the solubilization and nitrification of faeces and waste water
FR434722A
(en )
1912-02-10
Method and apparatus for the incineration of household waste
FR1023E
(en )
1903-05-18
Water drop acetylene apparatus
CH12244A
(en )
1896-11-30
Apparatus for the production of ozone
FR328558A
(en )
1903-07-16
Triple-acting alarm device for steam generators
CH34316A
(en )
1906-03-31
Apparatus for the exhibition of advertisements
FR420501A
(en )
1911-02-01
Device for heating water quickly and economically
FR358127A
(en )
1906-01-29
Apparatus for teaching arithmetic
FR357940A
(en )
1906-01-20
Water drop acetylene apparatus
FR407645A
(en )
1910-03-07
Device for training and cleaning ceramic tiles
FR356027A
(en )
1905-11-18
Apparatus for the evaporation of salt water and the simultaneous production of high voltage steam
FR414215A
(en )
1910-08-29
Device for the distribution of sewage and other liquids
FR393172A
(en )
1908-12-15
Apparatus for the extraction of grease from gray water and waste water from small industries
FR10064E
(en )
1909-04-23
Device for alternate and successive view of impressions