Search

M. D. M. Rahman

Examiner (ID: 10211)

Most Active Art Unit
2886
Art Unit(s)
2886, 2877
Total Applications
1248
Issued Applications
1135
Pending Applications
88
Abandoned Applications
57

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3089373 [patent_doc_number] => 05321596 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'DC/DC/AC power supply for a subscriber interphase unit' [patent_app_type] => 1 [patent_app_number] => 8/059484 [patent_app_country] => US [patent_app_date] => 1993-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5673 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/321/05321596.pdf [firstpage_image] =>[orig_patent_app_number] => 059484 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/059484
DC/DC/AC power supply for a subscriber interphase unit May 16, 1993 Issued
Array ( [id] => 3110435 [patent_doc_number] => 05315496 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-24 [patent_title] => 'Current resonance converter having overload detecting function' [patent_app_type] => 1 [patent_app_number] => 8/040574 [patent_app_country] => US [patent_app_date] => 1993-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 4505 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/315/05315496.pdf [firstpage_image] =>[orig_patent_app_number] => 040574 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/040574
Current resonance converter having overload detecting function Mar 30, 1993 Issued
Array ( [id] => 3013116 [patent_doc_number] => 05331271 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-19 [patent_title] => 'Compensation scheme for reducing effective transformer leakage inductance' [patent_app_type] => 1 [patent_app_number] => 8/029289 [patent_app_country] => US [patent_app_date] => 1993-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1757 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/331/05331271.pdf [firstpage_image] =>[orig_patent_app_number] => 029289 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/029289
Compensation scheme for reducing effective transformer leakage inductance Mar 9, 1993 Issued
Array ( [id] => 3031265 [patent_doc_number] => 05327334 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-05 [patent_title] => 'Zero current switching DC-DC converter incorporating a tapped resonant inductor' [patent_app_type] => 1 [patent_app_number] => 8/028134 [patent_app_country] => US [patent_app_date] => 1993-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2916 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/327/05327334.pdf [firstpage_image] =>[orig_patent_app_number] => 028134 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/028134
Zero current switching DC-DC converter incorporating a tapped resonant inductor Mar 8, 1993 Issued
Array ( [id] => 2903318 [patent_doc_number] => 05270914 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-14 [patent_title] => 'Series resonant converter control system and method' [patent_app_type] => 1 [patent_app_number] => 8/022771 [patent_app_country] => US [patent_app_date] => 1993-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 23 [patent_no_of_words] => 7892 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/270/05270914.pdf [firstpage_image] =>[orig_patent_app_number] => 022771 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/022771
Series resonant converter control system and method Feb 22, 1993 Issued
Array ( [id] => 3060786 [patent_doc_number] => 05307257 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-26 [patent_title] => 'Transformerless power-supply unit for supplying a low DC voltage' [patent_app_type] => 1 [patent_app_number] => 7/839430 [patent_app_country] => US [patent_app_date] => 1993-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5952 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/307/05307257.pdf [firstpage_image] =>[orig_patent_app_number] => 839430 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/839430
Transformerless power-supply unit for supplying a low DC voltage Feb 20, 1993 Issued
Array ( [id] => 3089428 [patent_doc_number] => 05321599 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Control apparatus for suppressing a third harmonic neutral point voltage in a three level inverter' [patent_app_type] => 1 [patent_app_number] => 8/009005 [patent_app_country] => US [patent_app_date] => 1993-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 6179 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/321/05321599.pdf [firstpage_image] =>[orig_patent_app_number] => 009005 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/009005
Control apparatus for suppressing a third harmonic neutral point voltage in a three level inverter Jan 25, 1993 Issued
Array ( [id] => 3043456 [patent_doc_number] => 05329440 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-12 [patent_title] => 'Device for converting a very-low-amplitude steady voltage signal into an alternating voltage signal' [patent_app_type] => 1 [patent_app_number] => 8/001643 [patent_app_country] => US [patent_app_date] => 1993-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1821 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/329/05329440.pdf [firstpage_image] =>[orig_patent_app_number] => 001643 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/001643
Device for converting a very-low-amplitude steady voltage signal into an alternating voltage signal Jan 6, 1993 Issued
Array ( [id] => 3023697 [patent_doc_number] => 05309350 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-03 [patent_title] => 'Push-pull inverter' [patent_app_type] => 1 [patent_app_number] => 8/000981 [patent_app_country] => US [patent_app_date] => 1993-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2451 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/309/05309350.pdf [firstpage_image] =>[orig_patent_app_number] => 000981 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/000981
Push-pull inverter Jan 5, 1993 Issued
Array ( [id] => 3060768 [patent_doc_number] => 05307256 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-26 [patent_title] => 'Trickle charge circuit for an off-line switching power supply' [patent_app_type] => 1 [patent_app_number] => 7/991766 [patent_app_country] => US [patent_app_date] => 1992-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5408 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/307/05307256.pdf [firstpage_image] =>[orig_patent_app_number] => 991766 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/991766
Trickle charge circuit for an off-line switching power supply Dec 16, 1992 Issued
Array ( [id] => 3020199 [patent_doc_number] => 05282123 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-25 [patent_title] => 'Clamped mode DC-DC converter' [patent_app_type] => 1 [patent_app_number] => 7/992274 [patent_app_country] => US [patent_app_date] => 1992-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3388 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/282/05282123.pdf [firstpage_image] =>[orig_patent_app_number] => 992274 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/992274
Clamped mode DC-DC converter Dec 15, 1992 Issued
Array ( [id] => 3050110 [patent_doc_number] => 05334877 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-02 [patent_title] => 'Standby power supply with load-current harmonics neutralizer' [patent_app_type] => 1 [patent_app_number] => 7/992845 [patent_app_country] => US [patent_app_date] => 1992-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 12054 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/334/05334877.pdf [firstpage_image] =>[orig_patent_app_number] => 992845 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/992845
Standby power supply with load-current harmonics neutralizer Dec 14, 1992 Issued
Array ( [id] => 3045931 [patent_doc_number] => 05301085 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-05 [patent_title] => 'Control circuit for a semiconductor switch' [patent_app_type] => 1 [patent_app_number] => 7/987698 [patent_app_country] => US [patent_app_date] => 1992-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2420 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 341 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/301/05301085.pdf [firstpage_image] =>[orig_patent_app_number] => 987698 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/987698
Control circuit for a semiconductor switch Dec 8, 1992 Issued
Array ( [id] => 3059453 [patent_doc_number] => 05283707 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-01 [patent_title] => 'Inrush current limiting circuit' [patent_app_type] => 1 [patent_app_number] => 7/982536 [patent_app_country] => US [patent_app_date] => 1992-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2092 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/283/05283707.pdf [firstpage_image] =>[orig_patent_app_number] => 982536 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/982536
Inrush current limiting circuit Nov 26, 1992 Issued
Array ( [id] => 3031246 [patent_doc_number] => 05327333 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-05 [patent_title] => 'Push push DC-DC reduced/zero voltage switching converter with off-set tapped secondary winding' [patent_app_type] => 1 [patent_app_number] => 7/981638 [patent_app_country] => US [patent_app_date] => 1992-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2647 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/327/05327333.pdf [firstpage_image] =>[orig_patent_app_number] => 981638 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/981638
Push push DC-DC reduced/zero voltage switching converter with off-set tapped secondary winding Nov 24, 1992 Issued
Array ( [id] => 3039389 [patent_doc_number] => 05329225 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-12 [patent_title] => 'Thin film superconductor inductor with shield for high frequency resonant circuit' [patent_app_type] => 1 [patent_app_number] => 7/970515 [patent_app_country] => US [patent_app_date] => 1992-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 4380 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/329/05329225.pdf [firstpage_image] =>[orig_patent_app_number] => 970515 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/970515
Thin film superconductor inductor with shield for high frequency resonant circuit Nov 1, 1992 Issued
07/968850 ACTIVE POWER LINE CONDITIONER WITH SYCHRONOUS TRANSFORMATION CONTROL Oct 29, 1992 Abandoned
Array ( [id] => 3037691 [patent_doc_number] => 05317499 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-31 [patent_title] => 'Direct-current converter with current limiting' [patent_app_type] => 1 [patent_app_number] => 7/941448 [patent_app_country] => US [patent_app_date] => 1992-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3546 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/317/05317499.pdf [firstpage_image] =>[orig_patent_app_number] => 941448 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/941448
Direct-current converter with current limiting Oct 25, 1992 Issued
Array ( [id] => 3089447 [patent_doc_number] => 05321600 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Delta connected three phase AC-DC converter with power factor correction circuits' [patent_app_type] => 1 [patent_app_number] => 7/966231 [patent_app_country] => US [patent_app_date] => 1992-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2453 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/321/05321600.pdf [firstpage_image] =>[orig_patent_app_number] => 966231 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/966231
Delta connected three phase AC-DC converter with power factor correction circuits Oct 25, 1992 Issued
Array ( [id] => 3103786 [patent_doc_number] => 05291365 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-01 [patent_title] => 'Power supply with overvoltage protection circuit' [patent_app_type] => 1 [patent_app_number] => 7/964632 [patent_app_country] => US [patent_app_date] => 1992-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 4660 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/291/05291365.pdf [firstpage_image] =>[orig_patent_app_number] => 964632 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/964632
Power supply with overvoltage protection circuit Oct 21, 1992 Issued
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