Inventor
Michael H. Freeman
Inventor
Tulsa, OK, US
Overview
Patents· 46 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems19%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
Y10TTechnical subjects covered by former us classification11%
H03MCoding7%
H02JElectric power networks6%
G05FSystems for regulating electric or magnetic variables5%
H01RElectrically-conductive connections5%
H05BElectric heating5%
A61BDiagnosis3%
A61FFilters implantable into blood vessels3%
PatentTitleYear
11,112,611Wearable pupil-forming display apparatus202111,031,120System, method, and non-transitory computer-readable storage media related to correction of vision defects using a visual display202111,016,302Wearable image manipulation and control system with high resolution micro-displays and dynamic opacity augmentation in augmented reality glasses202110,874,297System, method, and non-transitory computer-readable storage media related to correction of vision defects using a visual display202010,837,783Real time travel director202010,332,214Receiving, sending and managing electronic approvals and receipt invention201910,111,583System, method, and non-transitory computer-readable storage media related to correction of vision defects using a visual display20189,991,821Transformerless multiple output capable power supply system20189,955,862System, method, and non-transitory computer-readable storage media related to correction of vision defects using a visual display20189,917,528'Power device for delivering power to electronic devices'20189,893,632'Electrical circuit for delivering power to consumer electronic devices'20189,780,677'Electrical circuit for delivering power to consumer electronic devices'20179,780,674'Electrical circuit for delivering power to consumer electronic devices'20179,774,272'Power device for delivering power to electronic devices'20179,762,132'Electrical circuit for delivering power to consumer electronic devices'20179,748,852'Electrical circuit for delivering power to consumer electronic devices'20179,729,064'Electrical circuit for delivering power to consumer electronic devices'20179,729,065'Power device for delivering power to electronic devices and methods of assembling same'20179,673,717'Electrical circuit for delivering power to consumer electronic devices'20179,621,065'Power device including a frequency dependent reactive device'20179,602,016'Electrical circuit for delivering power to consumer electronic devices'20179,520,799'Power device'20169,520,723'Power device having multiple plug assemblies'20169,461,546'Power device and method for delivering power to electronic devices'20169,431,914'Electrical circuit for delivering power to consumer electronic devices'20169,407,154'Electrical circuit for delivering power to consumer electronic devices'20169,379,618'Power device for delivering power to electronic devices and methods of assembling same'20169,312,776'Electrical circuit for delivering power to consumer electronic devices'20169,270,061'Power device'20169,246,406'Power device'20169,215,566'Real time travel director'20159,203,328'Power device'20159,153,914'Power device having multiple modes of operation'2015D0721328'Housing for a charging device'20158,606,515'Real time travel director'2013D0682201'Housing for a charging device'2013D0682202'Housing for a charging device'20138,437,954'Real time travel director'20138,257,607'Fluorocarbon-free, environmentally friendly, natural product-based, and safe fire extinguishing agent'20125,579,239'Remote video transmission system'1996D0347624'Card cage enclosure'1994D0336636'Power supply door'1993D0317750'Patch panel'1991D0308664'Modular telephone jack'1990D0308464'Wallplate'1990D0303246'Electrical cable concentrator'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1994Patents assigned to DIGITAL EQUIPMENT CORP (6)· patent assignee history
1989–1991Based in Marlboro, MA, US· patent location history
1993–1994Based in Reading, GB· patent location history
1996Based in Mounds, OK, US· patent location history
2012–2019Patents assigned to FREEMAN MICHAEL H (4)· patent assignee history
2012–2021Based in Tulsa, OK, US· patent location history
2013–2016Patents assigned to ADVANCED CHARGING TECHNOLOGIES LLC (9)· patent assignee history
2016–2018Patents assigned to ADVANCED CHARGING TECH LLC (18)· patent assignee history
2018–2021Patents assigned to RAYTRX LLC (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ADVANCED CHARGING TECH LLC | 18 | 2016–2018 |
| ADVANCED CHARGING TECHNOLOGIES LLC | 9 | 2013–2016 |
| DIGITAL EQUIPMENT CORP | 6 | 1989–1994 |
| RAYTRX LLC | 6 | 2018–2021 |
| FREEMAN MICHAEL Hself | 4 | 2012–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tulsa, OK, US | 39 | 2012–2021 |
| Marlboro, Massachusetts, US | 4 | 1989–1991 |
| Reading, GB | 2 | 1993–1994 |
| Mounds, OK, US | 1 | 1996 |