Inventor
John E. Holowczak
Inventor
South Windsor, CT, US
Overview
Patents· 28 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 turbines15%
C04BLime, magnesia13%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants9%
Y10TTechnical subjects covered by former us classification7%
C23CCoating metallic material6%
Y02TClimate change mitigation technologies related to transportation6%
F41HArmour5%
B29CShaping or joining of plastics4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
B64CAeroplanes4%
PatentTitleYear
11,021,971CMC blade with monolithic ceramic platform and dovetail202110,941,491Continuous multiple tow coating reactor202110,710,111Continuous tow fiber coating reactor202010,710,154Casting core removal through thermal cycling202010,227,888Variable vane systems20199,505,145'Hybrid part made from monolithic ceramic skin and CMC core'20169,410,428'Turbomachine with clamp coupling shaft and rotor hub together'20169,103,633'Lightweight projectile resistant armor system'20159,097,496'Lightweight projectile resistant armor system with surface enhancement'20158,939,728'Hybrid part made from monolithic ceramic skin and CMC core'20158,869,673'Structural panel with ballistic protection'20148,640,590'Armor system having ceramic composite with improved architecture'20147,762,768'Mechanical support of a ceramic gas turbine vane ring'20107,538,045'Coating process to enable electrophoretic deposition'20097,527,479'Mechanical coupling for a rotor shaft assembly of dissimilar materials'20097,473,049'Ceramic-to-metal shaft assembly'20097,422,671'Non-line-of-sight process for coating complexed shaped structures'20087,063,894'Environmental barrier coating for silicon based substrates'20066,696,144'Hybrid monolithic ceramic and ceramic matrix composite airfoil and method for making the same'20046,617,036'Barrier layer for silicon containing substrate'20036,451,416'Hybrid monolithic ceramic and ceramic matrix composite airfoil and method for making the same'20026,447,254'Low dieletric constant erosion resistant material'20026,174,481'Method for forming cast tooling for polymer molding'20015,623,988'Polymeric heat exchanger with ceramic material insert'19975,542,820'Engineered ceramic components for the leading edge of a helicopter rotor blade'19965,506,018'Joining non-coplanar panels and structures of fiber reinforced composites'19965,474,635'Joining non-coplanar panels and structures of fiber reinforced composites'19955,470,222'Heating unit with a high emissivity, porous ceramic flame holder'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2021Patents assigned to UNITED TECHNOLOGIES CORP (19)· patent assignee history
1995–2021Based in South Windsor, CT, US· patent location history
1995–2021Based in Windsor, CT, US· patent location history
2002–2015Patents assigned to SIKORSKY AIRCRAFT CORP (5)· patent assignee history
2014–2015Patents assigned to HOLOWCZAK JOHN E (5)· patent assignee history
2014–2015Patents assigned to BIRD CONNIE E (3)· patent assignee history
2020–2021Patents assigned to RAYTHEON TECH CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNITED TECHNOLOGIES CORP | 19 | 1995–2021 |
| HOLOWCZAK JOHN Eself | 5 | 2014–2015 |
| SIKORSKY AIRCRAFT CORP | 5 | 2002–2015 |
| RAYTHEON TECH CORP | 4 | 2020–2021 |
| BIRD CONNIE E | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| South Windsor, CT, US | 26 | 1995–2021 |
| Windsor, CT, US | 2 | 1995–2021 |