Inventor
Dale A. Stretch
Inventor
Novi, MI, US
Overview
Patents· 52 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines25%
F16DCouplings for transmitting rotation9%
Y10TTechnical subjects covered by former us classification9%
F16FSprings8%
F15BSystems acting by means of fluids in general7%
F16KValves7%
F02BInternal-combustion piston engines6%
F02DControlling combustion engines5%
F16HGearing5%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
PatentTitleYear
11,125,125Leaf spring sliding contact for electrically actuated rocker arm assembly202111,078,810Three roller rocker arm with pump-down stop202111,015,492Lower travel deactivating lash adjuster when combined with two-step variable valve lift rocker arm202111,008,900Sliding contact for electrically actuated rocker arm202111,002,156Non-contacting actuator for rocker arm assembly latches202110,995,637Switching roller finger follower for valvetrain202110,865,662Anti-rotation feature for followers using an oil gallery insert202010,815,839Two step rocker arm having side by side roller configuration202010,731,517Valvetrain with rocker arm housing magnetic latch202010,731,516Sliding spring contacts providing electrical power to rocker arms202010,731,518Sliding contact for electrically actuated rocker arm202010,662,825Control based on magnetic circuit feedback202010,662,826OBD based on magnetic circuit feedback202010,358,951Sliding contact for electrically actuated rocker arm201910,358,990Strategies for resonance management201910,180,089Valvetrain with rocker arm housing magnetically actuated latch201910,087,792Two path two step actuator201810,047,644Detection apparatus for at least one of temperature and pressure in a cylinder of an internal combustion engine20189,435,438'Valve manifold'20169,157,339'Hybrid cam-camless variable valve actuation system'20158,863,569'Magnetically coded temperature and pressure detection apparatus'20148,646,481'Valve having integrated pressure assist mechanism'20148,590,570'Two step valve actuator'20138,505,365'Magnetically coded pressure detection apparatus'20138,464,754'Valve manifold'20138,356,630'Valve damping system'20138,332,130'Leak detection system'20128,302,627'Hydraulic system'20128,235,070'Two position three way valve'20128,113,156'Energy recovery system for an added motion system'20127,980,483'Injector for a fluid injection system'20117,677,212'Added motion hydraulic circuit with proportional valve'20107,555,999'Cold temperature operation for added motion valve system'20097,350,491'Lash adjuster and valve system'20086,837,350'Lightweight magnetic particle device'20056,634,344'Controlled engagement of supercharger drive clutch'20036,619,453'Electromagnetic mechanical particle clutch'20036,581,739'Lightweight magnetic particle device'20036,560,867'Modular valvetrain and cylinder head structure'20036,561,141'Water-cooled magnetorheological fluid controlled combination fan drive and water pump'20036,543,396'Electronically controlled magnetorheological fluid based cooling fan drive assembly'20036,443,284'Torsion bar isolator'20026,439,172'Water-cooled remote fan drive'20026,412,618'Ball-ramp-actuated friction clutch controlled by a particle-clutch'20026,074,302'Fluid damper with hydraulic slack'20005,660,153'Valve control system'19975,577,963'Torsion isolator spring with pivotal ends'19965,360,090'Valving for vane damper'19945,234,377'Composite spring with improved ends'19935,219,431'Method of forming and stressing composite springs'19935,085,617'Vane damper assembly for a torque converter'19925,078,648'Driveline isolator with hydraulic damper and spiral springs'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2021Patents assigned to EATON CORP (36)· patent assignee history
1992–2021Based in Novi, MI, US· patent location history
1992Based in Wixom, MI, US· patent location history
2002–2003Patents assigned to BORGWARNER INC (3)· patent assignee history
2002Based in Livonia, MI, US· patent location history
2012–2014Patents assigned to STRETCH DALE A (7)· patent assignee history
2012–2021Patents assigned to STRETCH DALE ARDEN (4)· patent assignee history
2018–2021Patents assigned to EATON INTELLIGENT POWER LTD (17)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EATON CORP | 36 | 1992–2021 |
| EATON INTELLIGENT POWER LTD | 17 | 2018–2021 |
| STRETCH DALE Aself | 7 | 2012–2014 |
| STRETCH DALE ARDENself | 4 | 2012–2021 |
| BORGWARNER INC | 3 | 2002–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Novi, MI, US | 50 | 1992–2021 |
| Livonia, MI, US | 1 | 2002 |
| Wixom, MI, US | 1 | 1992 |