Inventor

William S. Smith

Inventor
Davidson, NC, US

Overview

22→
Patents
1977–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 22 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification19%
E04FFinishing work on buildings, e.g. stairs, floors10%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
F15BSystems acting by means of fluids in general8%
F16KValves8%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding6%
A61KPreparations for medical, dental or toiletry purposes4%
C08LCompositions of macromolecular compounds4%
C12NMicroorganisms or enzymes4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to EXXON RESEARCH ENGINEERING CO (2)· patent assignee history
1981–1988Patents assigned to DRESSER IND (3)· patent assignee history
1981–1988Based in Houston, TX, US· patent location history
1984–1988Patents assigned to SMITH LAB INC (2)· patent assignee history
1984–1988Based in Libertyville, IL, US· patent location history
1994–2000Based in Davidson, NC, US· patent location history
1996–2010Patents assigned to NUMATICS INC (4)· patent assignee history
1996–2000Based in Scottsdale, AZ, US· patent location history
1998–2000Patents assigned to TRIANGLE PACIFIC CORP (4)· patent assignee history
2003–2006Based in Cincinnati, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NUMATICS INC41996–2010
TRIANGLE PACIFIC CORP41998–2000
DRESSER IND31981–1988
EXXON RESEARCH ENGINEERING CO21977–1981
SMITH LAB INC21984–1988
Locations
LocationPatentsSpan
Davidson, NC, US51994–2000
Houston, Texas, US31981–1988
Cincinnati, OH, US22003–2006
Scottsdale, AZ, US21996–2000
Libertyville, Illinois, US21984–1988