Inventor

Ariel Caesar Prepena Jacala

Inventor
Simpsonville, SC, US

Overview

24→
Patents
1994–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 24 as inventor

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

F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines32%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants27%
Y02TClimate change mitigation technologies related to transportation10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification5%
B23KSoldering or unsoldering3%
B23PMetal-working not otherwise provided for3%
B22FWorking metallic powder1%
B23BTurning1%
B28BShaping clay or other ceramic compositions1%
PatentTitleYear
10,443,408Damper pin for a turbine blade201910,385,701Damper pin for a turbine blade201910,156,142Systems and methods for producing one or more cooling holes in an airfoil for a gas turbine engine20189,796,048'Article and process for producing an article'20178,905,717'Turbine bucket lockwire rotation prevention'20148,714,930'Airfoil shape for turbine bucket and turbine incorporating same'20148,083,475'Turbine bucket angel wing compression seal'20117,628,588'Coated bucket damper pin'20097,533,795'Welding process'20097,513,738'Methods and apparatus for cooling gas turbine rotor blades'20097,511,516'Methods and systems for monitoring the displacement of turbine blades'20097,476,083'Blade/disk dovetail backcut for blade/disk stress reduction (7FA+e, stage 1)'20097,367,123'Coated bucket damper pin and related method'20087,163,376'Controlled leakage pin and vibration damper for active cooling and purge of bucket slash faces'20077,147,439'Apparatus and methods for cooling turbine bucket platforms'20067,066,716'Cooling system for the trailing edges of turbine bucket airfoils'20066,739,839'First-stage high pressure turbine bucket airfoil'20046,533,544'Turbine blade'20036,481,972'Turbine bucket natural frequency tuning rib'20026,461,110'First-stage high pressure turbine bucket airfoil'20026,422,817'Cooling circuit for and method of cooling a gas turbine bucket'20025,738,491'Conduction blade tip'19985,536,143'Closed circuit steam cooled bucket'19965,350,277'Closed-circuit steam-cooled bucket with integrally cooled shroud for gas turbines and methods of steam-cooling the buckets and shrouds'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2019Patents assigned to GEN ELECTRIC (23)· patent assignee history
1994–1998Based in Scotia, NY, US· patent location history
2002–2009Based in Simpsonville, SC, US· patent location history
2003Based in Yorktown, VA, US· patent location history
2011–2019Based in Travelers Rest, SC, US· patent location history
2014Patents assigned to JACALA ARIEL CAESAR PREPENA (2)· patent assignee history
2014Patents assigned to AMMANN LUKE JOHN (1)· patent assignee history
2014Patents assigned to BIELEK CRAIG ALLEN (1)· patent assignee history
2014Patents assigned to BRUCE KEVIN LEON (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC231994–2019
JACALA ARIEL CAESAR PREPENAself22014
AMMANN LUKE JOHN12014
BIELEK CRAIG ALLEN12014
BRUCE KEVIN LEON12014
Locations
LocationPatentsSpan
Simpsonville, SC, US132002–2009
Travelers Rest, SC, US72011–2019
Scotia, New York, US31994–1998
Yorktown, Virginia, US12003