ES414105A1
(en )
1976-02-01
Batteries composed of fuel cells
FR94798E
(en )
1969-11-21
Rechargeable sealed battery cell with gas relief valve.
AT73936B
(en )
1917-10-25
Thermopile with individual cells arranged in a ring around a heating tube and combined into cell stacks.
SE394541B
(en )
1977-06-27
GAS DIFFUSION ELECTRODE FOR ELECTROCHEMIC CELLS, SPECIAL FUEL CELLS
FR535632A
(en )
1922-04-19
Improvements in electrical heating elements and their manufacturing processes
JPWO2022176335A5
(en )
2023-10-13
NO117994B
(en )
1969-10-20
US615541A
(en )
1898-12-06
Electric battery
US895263A
(en )
1908-08-04
Geographical globe.
US749185A
(en )
1904-01-12
Eudolf hagee
US608714A
(en )
1898-08-09
Storage battery
US1293868A
(en )
1919-02-11
Process of making headers for water-tube boilers.
GB1425954A
(en )
1976-02-25
Multi-cell lead storage battery and individual cells therefor
US438827A
(en )
1890-10-21
reynier
US116451A
(en )
1871-06-27
Improvement in galvanic batteries
US483782A
(en )
1892-10-04
Paul giraud
FR488556A
(en )
1918-10-21
Small tube boiler with independent and removable elements
US124538A
(en )
1872-03-12
Improvement in brick-kilns
GB191203142A
(en )
1912-12-19
Improvements in Grids for Supporting the Oxide in Gas Purifiers.
FR477206A
(en )
1915-10-06
Airplane-glider with stable balance, natural lift and propulsion
US3547702A
(en )
1970-12-15
Electrode arrangement for a fuel cell
US617003A
(en )
1899-01-03
willaed
US162263A
(en )
1875-04-20
Improvement in apparatus for collecting the rays of light and heat
US757422A
(en )
1904-04-12
Dry battery.
Alciati
1965
Nuova valutazione quantitativa dei dermatoglifi palmari