Inventor
Hans Rydstad
Inventor
Birmenstorf, CH
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Fprimary
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys27%
B23KSoldering or unsoldering18%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
B21JForging9%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels9%
C21DModifying the physical structure of ferrous metals9%
F27BFurnaces, kilns, ovens or retorts in general9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
4,909,859'Process for increasing the oxidation resistance and corrosion resistance of a component made of a dispersion strengthened superalloy by a surface treatment'19904,750,946'Method for connecting superalloy components'19884,722,469'Process for connecting components made of a dispersion-hardened superalloy using the pressure-bonding method'19884,612,062'Process for producing a fine-grained workpiece from a nickel-based superalloy'19864,601,186'Process and apparatus for achieving narrow workpiece tolerances in drop-forging, especially in isothermal forging'19864,399,618'Method of sealing a fluidized bed and device for carrying out the method'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to RYDSTAD HANS (1)· patent assignee history
1983–1990Based in Birmenstorf, CH· patent location history
1986–1990Patents assigned to BBC BROWN BOVERI & CIE (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BBC BROWN BOVERI & CIE | 5 | 1986–1990 |
| RYDSTAD HANSself | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Birmenstorf, CH | 6 | 1983–1990 |