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Inventor

Frederick Trentadue

Inventor
Olathe, KS, US

Overview

5→
Patents
1989–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B01Dprimary
B01DSeparation13%
B04CApparatus using free vortex flow, e.g. cyclones13%
C02FTreatment of water, waste water, sewage, or sludge13%
E03FSewers13%
Y10TTechnical subjects covered by former us classification13%
B01FMixing, e.g. dissolving, emulsifying or dispersing7%
B23DPlaning7%
B28DWorking stone or stone-like materials7%
F16KValves7%
F16LPipes7%
PatentTitleYear
9,739,391'Check valve for a pipe section'20179,662,666'Vortex-type grit chamber'20179,334,178'Vortex-type grit chamber'20167,441,754'Apparatus for introducing a gas into a body of liquid'20084,817,581'Adjustable support for cutting apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to FEDERAL MOGUL CORP (1)· patent assignee history
1989–2017Based in Olathe, KS, US· patent location history
2008–2017Patents assigned to SMITH & LOVELESS INC (4)· patent assignee history
2017Patents assigned to TRENTADUE FREDERICK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMITH & LOVELESS INC42008–2017
FEDERAL MOGUL CORP11989
TRENTADUE FREDERICKself12017
Locations
LocationPatentsSpan
Olathe, KS, US51989–2017