Robert Pirker

This inventor holds 4 USPTO granted patents. Top assignees: Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan, Voest-Alpine Aktiengesellschaft. Active years: 1976-1985.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 33(Granted Patents)

Location History:

Zeltweg, OE (1976)
Zeltweg, AT (1979 - 1985)

Company Filing History:

3 out of 149

Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan

patents

1 out of 333

Voest-Alpine Aktiengesellschaft

patents

Years Active: 1976-1985

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4514235 - Frog, in particular frog point, for rail crossing or rail switches as (1985-04-30),

2. 4168817 - Rail switch (1979-09-25),

3. 4159090 - Railway switch for vignoles rails (1979-06-26),

4. 3977635 - Railway switch for Vignoles rails (1976-08-31),

Profile summary based on public USPTO records.

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