LexDanaLexDanabeta
Inventor

E. Jess Tudor

Inventor
Tracy, CA, US

Overview

8→
Patents
1993–2017
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 8 as inventor

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

E04Hprimary
E04HBuildings or like structures for particular purposes75%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing13%
E21BEarth or rock drilling13%
PatentTitleYear
9,683,432'Hybrid LPG frac'20177,752,685'Foldable spa cover device'20107,496,975'Stabilizer straps for spa cover lift'20096,938,281'Foldable spa cover and lift unit'20056,634,036'Foldable spa cover and lift unit'20036,158,063'Spa cover lifting device'20005,974,599'Spa cover lifting device'19995,256,119'Leg extension exercise device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2010Patents assigned to TUDOR E JESS (3)· patent assignee history
1993–2000Based in Tracy, CA, US· patent location history
2003–2005Based in Central Point, OR, US· patent location history
2009–2010Based in Medford, OR, US· patent location history
2017Patents assigned to GASFRAC ENERGY SERVICES INC (1)· patent assignee history
2017Patents assigned to STEP ENERGY SERVICES LLC (1)· patent assignee history
2017Based in Katy, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TUDOR E JESSself31993–2010
GASFRAC ENERGY SERVICES INC12017
STEP ENERGY SERVICES LLC12017
Locations
LocationPatentsSpan
Tracy, California, US31993–2000
Medford, OR, US22009–2010
Central Point, OR, US22003–2005
Katy, Texas, US12017