Search

Devon C. Kramer

Supervisory Patent Examiner (ID: 3424, Phone: (571)272-7118 , Office: P/3746 )

Most Active Art Unit
3683
Art Unit(s)
3741, 3683, 3746, 3613
Total Applications
1041
Issued Applications
673
Pending Applications
85
Abandoned Applications
284

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14493013 [patent_doc_number] => 10333310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-25 [patent_title] => Power factor correction device and method for operating a power factor correction device [patent_app_type] => utility [patent_app_number] => 15/768568 [patent_app_country] => US [patent_app_date] => 2016-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4353 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15768568 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/768568
Power factor correction device and method for operating a power factor correction device Sep 18, 2016 Issued
Array ( [id] => 11518109 [patent_doc_number] => 20170085183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-23 [patent_title] => 'System and Method for a Switched-Mode Power Supply Having a Transformer with a Plurality of Primary Windings' [patent_app_type] => utility [patent_app_number] => 15/265686 [patent_app_country] => US [patent_app_date] => 2016-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 58 [patent_figures_cnt] => 58 [patent_no_of_words] => 44567 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15265686 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/265686
System and method for a switched-mode power supply having a transformer with a plurality of primary windings Sep 13, 2016 Issued
Array ( [id] => 12047938 [patent_doc_number] => 09825552 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-11-21 [patent_title] => 'Power conversion apparatus' [patent_app_type] => utility [patent_app_number] => 15/263500 [patent_app_country] => US [patent_app_date] => 2016-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10729 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15263500 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/263500
Power conversion apparatus Sep 12, 2016 Issued
Array ( [id] => 12088047 [patent_doc_number] => 09841776 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-12-12 [patent_title] => 'Methods and apparatus to improve transient performance in multiphase voltage regulators' [patent_app_type] => utility [patent_app_number] => 15/257610 [patent_app_country] => US [patent_app_date] => 2016-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 10891 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15257610 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/257610
Methods and apparatus to improve transient performance in multiphase voltage regulators Sep 5, 2016 Issued
Array ( [id] => 14511165 [patent_doc_number] => 20190199237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => Method for Discharging an Electric Energy Storage Unit [patent_app_type] => utility [patent_app_number] => 16/329958 [patent_app_country] => US [patent_app_date] => 2016-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7994 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16329958 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/329958
Method for discharging an electric energy storage unit Sep 4, 2016 Issued
Array ( [id] => 12459468 [patent_doc_number] => 09985697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-29 [patent_title] => Circuit device, electronic device, and drive method for resonant circuit [patent_app_type] => utility [patent_app_number] => 15/255620 [patent_app_country] => US [patent_app_date] => 2016-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 16706 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15255620 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/255620
Circuit device, electronic device, and drive method for resonant circuit Sep 1, 2016 Issued
Array ( [id] => 13020345 [patent_doc_number] => 10033296 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-07-24 [patent_title] => Rectifier and regulator circuit [patent_app_type] => utility [patent_app_number] => 15/255010 [patent_app_country] => US [patent_app_date] => 2016-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 6711 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15255010 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/255010
Rectifier and regulator circuit Aug 31, 2016 Issued
Array ( [id] => 15171249 [patent_doc_number] => 10491139 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-26 [patent_title] => Converter assembly and method for operating same [patent_app_type] => utility [patent_app_number] => 16/329776 [patent_app_country] => US [patent_app_date] => 2016-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5364 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16329776 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/329776
Converter assembly and method for operating same Aug 31, 2016 Issued
Array ( [id] => 13631007 [patent_doc_number] => 20180367056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => POWER SUPPLIES HAVING FEEDFORWARD CONTROL USING PULSE MODULATION AND DEMODULATION [patent_app_type] => utility [patent_app_number] => 15/753598 [patent_app_country] => US [patent_app_date] => 2016-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4572 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15753598 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/753598
Power supplies having feedforward control using pulse modulation and demodulation Aug 30, 2016 Issued
Array ( [id] => 11476469 [patent_doc_number] => 20170063252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'POWER CONVERSION APPARATUS, PHASE CURRENT DETECTION APPARATUS, AND PHASE CURRENT DETECTION METHOD' [patent_app_type] => utility [patent_app_number] => 15/252410 [patent_app_country] => US [patent_app_date] => 2016-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11064 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15252410 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/252410
Power conversion apparatus, phase current detection apparatus, and phase current detection method Aug 30, 2016 Issued
Array ( [id] => 11877078 [patent_doc_number] => 09748863 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-08-29 [patent_title] => 'System and method for leakage current suppression in a low switching frequency photovoltaic cascaded multilevel inverter' [patent_app_type] => utility [patent_app_number] => 15/248980 [patent_app_country] => US [patent_app_date] => 2016-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4200 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15248980 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/248980
System and method for leakage current suppression in a low switching frequency photovoltaic cascaded multilevel inverter Aug 25, 2016 Issued
Array ( [id] => 11390763 [patent_doc_number] => 09552008 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-01-24 [patent_title] => 'Voltage regulator circuit' [patent_app_type] => utility [patent_app_number] => 15/244310 [patent_app_country] => US [patent_app_date] => 2016-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7765 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15244310 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/244310
Voltage regulator circuit Aug 22, 2016 Issued
Array ( [id] => 11933122 [patent_doc_number] => 09800131 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-10-24 [patent_title] => 'Phase controller and multi-phase voltage converter using the same' [patent_app_type] => utility [patent_app_number] => 15/231920 [patent_app_country] => US [patent_app_date] => 2016-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7487 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15231920 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/231920
Phase controller and multi-phase voltage converter using the same Aug 8, 2016 Issued
Array ( [id] => 11294453 [patent_doc_number] => 20160344385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-24 [patent_title] => 'HIGH SPEED SWITCHING SOLID STATE RELAY CIRCUIT' [patent_app_type] => utility [patent_app_number] => 15/228780 [patent_app_country] => US [patent_app_date] => 2016-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3173 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15228780 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/228780
High speed switching solid state relay circuit Aug 3, 2016 Issued
Array ( [id] => 12955234 [patent_doc_number] => 09837907 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-12-05 [patent_title] => Current sensing and zero-cross detection in semi-resonant voltage converters [patent_app_type] => utility [patent_app_number] => 15/213810 [patent_app_country] => US [patent_app_date] => 2016-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8359 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15213810 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/213810
Current sensing and zero-cross detection in semi-resonant voltage converters Jul 18, 2016 Issued
Array ( [id] => 11904799 [patent_doc_number] => 09774245 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-09-26 [patent_title] => 'PFC switching power conversion circuit providing low total harmonic distortion' [patent_app_type] => utility [patent_app_number] => 15/211220 [patent_app_country] => US [patent_app_date] => 2016-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2673 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15211220 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/211220
PFC switching power conversion circuit providing low total harmonic distortion Jul 14, 2016 Issued
Array ( [id] => 13364979 [patent_doc_number] => 20180234030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => INVERTER DEVICE [patent_app_type] => utility [patent_app_number] => 15/516097 [patent_app_country] => US [patent_app_date] => 2016-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5964 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15516097 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/516097
Inverter device Jul 10, 2016 Issued
Array ( [id] => 13307545 [patent_doc_number] => 20180205309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => High Power Density Inverter (I) [patent_app_type] => utility [patent_app_number] => 15/742720 [patent_app_country] => US [patent_app_date] => 2016-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6538 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 624 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15742720 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/742720
High power density inverter (I) Jul 6, 2016 Issued
Array ( [id] => 12046078 [patent_doc_number] => 09823678 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-11-21 [patent_title] => 'Method and apparatus for low drop out voltage regulation' [patent_app_type] => utility [patent_app_number] => 15/191510 [patent_app_country] => US [patent_app_date] => 2016-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5338 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15191510 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/191510
Method and apparatus for low drop out voltage regulation Jun 22, 2016 Issued
Array ( [id] => 13809041 [patent_doc_number] => 10181790 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-15 [patent_title] => Direct current voltage conversion circuit and liquid crystal display device [patent_app_type] => utility [patent_app_number] => 15/118873 [patent_app_country] => US [patent_app_date] => 2016-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4166 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15118873 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/118873
Direct current voltage conversion circuit and liquid crystal display device Jun 21, 2016 Issued
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