LexDanaLexDanabeta
Inventor

Spiros G. Raftis

Inventor
Pittsburgh, PA, US

Overview

25→
Patents
1978–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 25 as inventor

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

F16Kprimary
F16KValves37%
Y10TTechnical subjects covered by former us classification31%
E03FSewers8%
F16LPipes6%
B01FMixing, e.g. dissolving, emulsifying or dispersing4%
C02FTreatment of water, waste water, sewage, or sludge4%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%
E02BHydraulic engineering2%
E03BInstallations or methods for obtaining, collecting, or distributing water2%
G05DSystems for controlling or regulating non-electric variables2%
PatentTitleYear
10,316,977Multi-outlet check valve nozzle20197,104,279'Method and apparatus for preventing stagnation in fluid reservoirs'20066,953,059'Check valve with hanger'20056,585,005'Reinforced tide gate valve'20036,561,225'Passive flow control valve'20036,412,514'Flip check valve'20026,367,505'Check valve with oversized bill'20026,367,783'Fine bubble diffuser'20026,016,839'Air diffuser valve'20005,931,197'Asymmetrical check valve'19995,769,125'Inversion-resistant, readily openable tide gate valve'19985,606,995'Inversion-resistant, readily openable tide gate valve'19975,282,314'Method of making a pressure relief value'19945,215,123'Pressure relief valve'19934,923,166'Pressure-reducing noise-abating control valve'19904,763,527'Temperature-resistant isolation fluid pressure detector'19884,607,663'Inversion-resistant, readily-openable tide gate valve'19864,585,031'Inversion-resistant tide gate valve'19864,534,224'Isolation fluid pressure detector'19854,523,738'Deformable sleeve for a pinch valve'19854,492,253'Tide gate valve'19854,372,528'Pinch valve sleeve'19834,268,005'Pinch valve'19814,172,580'Pinch valve'19794,125,125'Pinch valve construction'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to EZEKOYE LEVI I (1)· patent assignee history
1978–2019Based in Pittsburgh, PA, US· patent location history
1979–2019Patents assigned to RED VALVE CO INC (24)· patent assignee history
2002–2003Based in Lebanon, PA, US· patent location history
2019Patents assigned to DUER MICHAEL J (1)· patent assignee history
2019Patents assigned to RAFTIS CHRIS (1)· patent assignee history
2019Patents assigned to RAFTIS SPIROS G (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RED VALVE CO INC241979–2019
DUER MICHAEL J12019
EZEKOYE LEVI I11978
RAFTIS CHRIS12019
RAFTIS SPIROS Gself12019
Locations
LocationPatentsSpan
Pittsburgh, Pennsylvania, US231978–2019
Lebanon, Pennsylvania, US22002–2003