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Inventor

Charles N. Richards

Inventor
Twinsburg, OH, US

Overview

6→
Patents
1977–2003
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B23Kprimary
B23KSoldering or unsoldering33%
B23BTurning22%
Y10TTechnical subjects covered by former us classification22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C08BPolysaccharides11%
PatentTitleYear
6,609,447'Chip shield for facing tool'20036,460,438'Facing tool'20025,844,190'Orbital welding apparatus'19985,223,686'Orbital welding apparatus with safety interlock'19935,136,134'Orbital welding apparatus'19924,035,235'Method of making lipophilic starch derivatives'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to ANHEUSER BUSCH (1)· patent assignee history
1977Based in St. Louis, MO, US· patent location history
1992–1998Patents assigned to CAJON CO (3)· patent assignee history
1992–1998Based in Twinsburg, OH, US· patent location history
2002–2003Patents assigned to SWAGELOK CO (2)· patent assignee history
2002–2003Based in Aurora, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CAJON CO31992–1998
SWAGELOK CO22002–2003
ANHEUSER BUSCH11977
Locations
LocationPatentsSpan
Twinsburg, OH, US31992–1998
Aurora, OH, US22002–2003
St. Louis, MO, US11977