Inventor
Ismail Agirman
Inventor
Southington, CT, US
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B66Bprimary
B66BElevators36%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters24%
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 systems16%
H02JElectric power networks5%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
H02HEmergency protective circuit arrangements3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
F24FAir-conditioning1%
G01BMeasuring length, thickness or similar linear dimensions1%
PatentTitleYear
11,053,096Automatic rescue and charging system for elevator drive202111,014,786Power control system for a battery driven elevator202110,944,335Paralleled passive front-end rectifiers with and without interleaving202110,833,603Method of controlling paralleled passive front-end rectifiers with and without inter-leaving202010,745,239Electromagnetic brake system for an elevator with variable rate of engagement202010,734,925Multilevel drive half DC bus power supplies202010,654,682Conveyance system having paralleled drives202010,513,413PWM strategy for regenerative multilevel drive201910,454,387Interposition inductor arrangement for multiple drives in parallel201910,381,968Converter pulse width modulation strategies for three phase regenerative drives201910,343,872Elevator system having battery and energy storage device201910,287,131Elevator drive control to protect drive components from moisture201910,273,119Elevator load weighing system201910,246,294Bus capacitor bank configuration for a regenerative drive201910,221,038Control strategies for multilevel line regenerative drive201910,218,262Hybrid direct current link system for a regenerative drive201910,099,894Active damping of a hovering elevator car based on vertical oscillation of the hovering elevator car201810,059,563Elevator car speed control in a battery powered elevator system201810,008,917Bus capacitor bank configuration for a multi-level regenerative drive20189,957,131Elevator speed control20189,906,183'Parallel interleaved 2-level or 3-level regenerative drives'20189,815,665'Battery mounting in elevator hoistway'20179,586,789'Elevator braking in a battery powered elevator system'20179,511,976'Position feedback for elevator system'20168,789,659'System and method for operating a motor during normal and power failure conditions'20148,629,637'Operation of a three-phase regenerative drive from mixed DC and single phase AC power sources'20148,230,978'Elevator regenerative drive with automatic rescue operation'20128,127,894'Elevator motor drive tolerant of an irregular power source'20128,006,808'Managing an encoder malfunction in an elevator drive system'20117,609,534'Operating a three phase device using single phase power'20096,492,788'Method and apparatus for encoderless operation of a permanent magnet synchronous motor in an elevator'20026,459,599'Determining phase of AC mains in PWM controlled converters without voltage sensors'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2021Patents assigned to OTIS ELEVATOR CO (30)· patent assignee history
2002Based in New Britain, CT, US· patent location history
2002Based in Hartford, CT, US· patent location history
2009Based in Famington, CT, US· patent location history
2011–2021Based in Southington, CT, US· patent location history
2012–2017Patents assigned to AGIRMAN ISMAIL (6)· patent assignee history
2012–2014Patents assigned to BLASKO VLADIMIR (4)· patent assignee history
2012–2014Patents assigned to HIGGINS FRANK (3)· patent assignee history
2012–2014Based in Farmington, CT, US· patent location history
2020–2021Patents assigned to CARRIER CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OTIS ELEVATOR CO | 30 | 2002–2021 |
| AGIRMAN ISMAILself | 6 | 2012–2017 |
| BLASKO VLADIMIR | 4 | 2012–2014 |
| HIGGINS FRANK | 3 | 2012–2014 |
| CARRIER CORP | 2 | 2020–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Southington, CT, US | 26 | 2011–2021 |
| Farmington, CT, US | 3 | 2012–2014 |
| Famington, CT, US | 1 | 2009 |
| New Britain, CT, US | 1 | 2002 |
| Hartford, CT, US | 1 | 2002 |