Company Filing History:

9 out of 82

Dornier System Gmbh

Doduco Gmbh + Co. Dr. Eugen Durrwachter

where one patent can have more than one assignee

Years Active: 1979-1997

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5610347 - Material for electric contacts taking silver-tin oxide or silver-zinc (1997-03-11),

2. 5458850 - Method and apparatus for reducing exhaust gases particles (1995-10-17),

3. 5417831 - Solid electrolyte having a multi-layer electrode applied thereto (1995-05-23),

4. 4981511 - Compound or composite powder with metallic or ceramic whiskers (1991-01-01),

5. 4789561 - Oxygen electrode with layer comprising electrode and electrolyte (1988-12-06),

6. 4498395 - Powder comprising coated tungsten grains (1985-02-12),

7. 4396420 - Process for making Ag powder with oxides (1983-08-02),

8. 4351182 - Oxygen sensor for monitoring exhaust gases (1982-09-28),

9. 4336242 - Hard ferrite powder and process for the preparation thereof (1982-06-22),

10. 4276202 - Process for the manufacture of electrodes having perovskite structure (1981-06-30),

11. 4197362 - Interconnector material for series-connected electrolytic cells operated (1980-04-08),

12. 4174260 - Compound cell for high-temperature electrochemical reactions (1979-11-13),

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Location History:

Company Filing History:

Years Active: 1979-1997