LexDanaLexDanabeta
Inventor

Robert Keith Stoddard, Jr.

Inventor
Kingwood, TX, US

Overview

3→
Patents
1998–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F16Kprimary
F16KValves29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
C10GCracking hydrocarbon oils14%
E21BEarth or rock drilling14%
F16JPistons14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
10,697,556Boltless guided slide valve20208,960,223'Plug valve with an internal check valve'20155,791,657'Seals containing composite non-extrusion springs'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to FMC CORP (1)· patent assignee history
1998–2020Based in Kingwood, TX, US· patent location history
2015Patents assigned to JUNIER MARIUS ROBERT (1)· patent assignee history
2015Patents assigned to STODDARD JR ROBERT KEITH (1)· patent assignee history
2015Patents assigned to TAPCO INTERNATIONAL CORP (1)· patent assignee history
2015Based in Houston, TX, US· patent location history
2020Patents assigned to TAPCOENPRO LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FMC CORP11998
JUNIER MARIUS ROBERT12015
STODDARD JR ROBERT KEITHself12015
TAPCO INTERNATIONAL CORP12015
TAPCOENPRO LLC12020
Locations
LocationPatentsSpan
Kingwood, Texas, US21998–2020
Houston, Texas, US12015