Inventor
Lawrence W. Cisko
Inventor
Irwin, PA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Dprimary
B22DCasting of metals33%
C22BProduction and refining of metals17%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material11%
A61BDiagnosis6%
B21JForging6%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors6%
C25CProcesses for the electrolytic production, recovery or refining of metals6%
F16HGearing6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
5,848,546'Method of gripping tubular members during forming operations and associated apparatus'19985,836,193'Apparatus for forming elongated metal articles and related method'19985,708,209'Apparatus and method for ultrasonic particle detection in molten metal'19985,584,361'Forging die lubricator'19965,477,912'Roll for use in a belt caster and an associated method'19955,370,171'Die-casting process and equipment'19945,246,055'Vacuum die-casting machine with apparatus and method for controlling pressure behind piston'19935,234,045'Method of squeeze-casting a complex metal matrix composite in a shell-mold cushioned by molten metal'19935,133,401'Continuous casting machine with mold block assemblies interlinked by elastic hinges'19925,076,344'Die-casting process and equipment'19914,669,606'Hydraulic-powered apparatus with motion amplification means for moving conveyor feeder means used in transporting anode rods through rodding room machinery'19874,510,033'Frozen electrolyte bath removal apparatus'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1998Patents assigned to ALUMINUM CO OF AMERICA (12)· patent assignee history
1985–1998Based in Irwin, PA, US· patent location history
1996–1998Based in Harrison City, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALUMINUM CO OF AMERICA | 12 | 1985–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Irwin, Pennsylvania, US | 9 | 1985–1998 |
| Harrison City, Pennsylvania, US | 3 | 1996–1998 |