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Helmut Schmelz

USPTO Granted Patents = 18

Average Co-Inventor Count = 1.9

ph-index = 11

Forward Citations = 334(Granted Patents)

Company Filing History:

18 out of 30,034

Siemens Aktiengesellschaft

Years Active: 1976-1998

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5849593 - Method for metering a reagent into a flowing medium (1998-12-15),

2. 5833932 - Catalytic converter for nitrogen oxide reduction in the exhaust gas of (1998-11-10),

3. 5643536 - Method and apparatus for metering a reagent into a flowing medium (1997-07-01),

4. 5628186 - Method and apparatus for controlled introduction of a reducing agent (1997-05-13),

5. 5546004 - Sensor for determining the course of concentration of an adsorbent (1996-08-13),

6. 5394610 - Catalytic converter and method for producing the same (1995-03-07),

7. 5225390 - Catalyst for reducing nitrogen oxides (1993-07-06),

8. 5045516 - Process for producing a catalyst for reducing nitrogen oxides in flue (1991-09-03),

9. 4849392 - Catalyst material for reducing the nitrogen oxides in flue gases (1989-07-18),

10. 4812296 - Process utilizing catalytic material for the reduction of nitrous oxides (1989-03-14),

11. 4425556 - Ceramic cold conductor and method of producing the same (1984-01-10),

12. 4407858 - Method for producing films of sintered polycrystalline silicon (1983-10-04),

13. 4361529 - Method for producing plate or tape shaped silicon crystal bodies having (1982-11-30),

14. 4192840 - Method for producing a capacitor dielectric with inner blocking layers (1980-03-11),

15. 4149173 - Capacitor dielectric with internal barrier layers and a method for its (1979-04-10),

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