Inventor
David J. Kachmarik
Inventor
Strongsville, OH, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating42%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
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 systems8%
H01JElectric discharge tubes or discharge lamps6%
H01RElectrically-conductive connections3%
F21KNon-electric light sources using luminescence2%
F21VFunctional features or details of lighting devices or systems thereof2%
H01FMagnets2%
PatentTitleYear
8,749,161'Compact fluorescent lamp and LED light source with electronic components in base'20148,644,998'Pre-programmed energy management ballast or driver'20148,072,308'High voltage transformer and a novel arrangement/method for hid automotive headlamps'20117,908,037'Pre-programmed energy management ballast or driver'20117,772,780'Lamp igniter module and transformer carrier'20107,102,298'Integral lamp'20066,756,746'Method of delaying and sequencing the starting of inverters that ballast lamps'20046,686,705'Ballast circuit with multiple inverters and dimming controller'20046,621,238'Power factor correction circuit with faster bus charging rate during startup'20036,525,488'Self-oscillating synchronous boost converter'20036,465,972'Electronic elimination of striations in linear lamps'20026,459,215'Integral lamp'20026,150,769'Gas discharge lamp ballast with tapless feedback circuit'20006,057,648'Gas discharge lamp ballast with piezoelectric transformer'20005,917,289'Lamp ballast with triggerless starting circuit'19995,914,570'Compact lamp circuit structure having an inverter/boaster combination that shares the use of a first n-channel MOSFET of substantially lower on resistance than its p-channel counterpart'19995,889,373'Fluorescent lamp ballast with current feedback using a dual-function magnetic device'19995,834,884'Systematic configuration of compact fluorescent lamps for operation in a single-type ballast'19985,807,121'Junction component for connecting the electrical leads of a printed circuit board and a separate electrical unit'19985,723,953'High voltage IC-driven half-bridge gas discharge lamp ballast'19985,719,472'High voltage IC-driven half-bridge gas discharge ballast'19985,719,471'Three-way dimming circuit for compact fluorescent lamp'19985,712,536'Reduced bus voltage integrated boost high power factor circuit'19985,703,440'Compact fluorescent lamp and ballast arrangement with inductor directly between lamp ends'19975,691,598'Fluorescent lamp with thermal heat shield between lamp tube and ballast circuitry'19975,629,581'Lamp cathode-to-ballast interconnect and method'19975,488,269'Multi-resonant boost high power factor circuit'19965,483,125'Ballast circuit for a gas discharge lamp having a cathode pre-heat arrangement'19965,408,403'Power supply circuit with power factor correction'19955,367,228'High-pressure sodium lamp control circuit providing constant peak current and color'19945,357,174'Feedback-controlled circuit and method for powering a high intensity discharge lamp'19945,357,173'Ballast circuit arrangement for a high pressure sodium lamp'19944,831,507'Frequency controlled preload'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1998Based in North Olmsted, OH, US· patent location history
1994–2014Patents assigned to GEN ELECTRIC (32)· patent assignee history
1997–2014Based in Strongsville, OH, US· patent location history
2011Patents assigned to ABOUMRAD TONY (1)· patent assignee history
2014Patents assigned to KACHMARIK DAVID JOSEPH (2)· patent assignee history
2014Patents assigned to NERONE LOUIS ROBERT (2)· patent assignee history
2014Patents assigned to PRASAD HIMAMSHU (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 32 | 1994–2014 |
| KACHMARIK DAVID JOSEPHself | 2 | 2014 |
| NERONE LOUIS ROBERT | 2 | 2014 |
| PRASAD HIMAMSHU | 2 | 2014 |
| ABOUMRAD TONY | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Strongsville, OH, US | 22 | 1997–2014 |
| North Olmsted, OH, US | 11 | 1989–1998 |