Search

John M. Hoffmann

Examiner (ID: 18594, Phone: (571)272-1191 , Office: P/1741 )

Most Active Art Unit
1731
Art Unit(s)
1791, 1731, 1303, 1741, 1712, 1304
Total Applications
1565
Issued Applications
722
Pending Applications
142
Abandoned Applications
703

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2550324 [patent_doc_number] => 04804858 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-14 [patent_title] => 'Power supply circuit for a diode adapted to emit light in dependence of the prevailing surrounding light' [patent_app_type] => 1 [patent_app_number] => 7/174780 [patent_app_country] => US [patent_app_date] => 1988-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 841 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/804/04804858.pdf [firstpage_image] =>[orig_patent_app_number] => 174780 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/174780
Power supply circuit for a diode adapted to emit light in dependence of the prevailing surrounding light Mar 28, 1988 Issued
Array ( [id] => 2572734 [patent_doc_number] => 04858100 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-15 [patent_title] => 'Electric power converter' [patent_app_type] => 1 [patent_app_number] => 7/174903 [patent_app_country] => US [patent_app_date] => 1988-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4115 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/858/04858100.pdf [firstpage_image] =>[orig_patent_app_number] => 174903 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/174903
Electric power converter Mar 28, 1988 Issued
Array ( [id] => 2556293 [patent_doc_number] => 04811191 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-07 [patent_title] => 'CMOS rectifier circuit' [patent_app_type] => 1 [patent_app_number] => 7/173954 [patent_app_country] => US [patent_app_date] => 1988-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3660 [patent_no_of_claims] => 19 [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/04/811/04811191.pdf [firstpage_image] =>[orig_patent_app_number] => 173954 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/173954
CMOS rectifier circuit Mar 27, 1988 Issued
Array ( [id] => 2551704 [patent_doc_number] => 04810949 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-07 [patent_title] => 'Digitally controlled monotonic attenuator' [patent_app_type] => 1 [patent_app_number] => 7/174290 [patent_app_country] => US [patent_app_date] => 1988-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1571 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/810/04810949.pdf [firstpage_image] =>[orig_patent_app_number] => 174290 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/174290
Digitally controlled monotonic attenuator Mar 27, 1988 Issued
Array ( [id] => 2547732 [patent_doc_number] => 04827206 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-02 [patent_title] => 'Solar power system for electronic parking meter' [patent_app_type] => 1 [patent_app_number] => 7/173582 [patent_app_country] => US [patent_app_date] => 1988-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 27 [patent_no_of_words] => 7321 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/827/04827206.pdf [firstpage_image] =>[orig_patent_app_number] => 173582 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/173582
Solar power system for electronic parking meter Mar 24, 1988 Issued
Array ( [id] => 2520215 [patent_doc_number] => 04841429 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-20 [patent_title] => 'Capacitive coupled power supplies' [patent_app_type] => 1 [patent_app_number] => 7/173223 [patent_app_country] => US [patent_app_date] => 1988-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2533 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/841/04841429.pdf [firstpage_image] =>[orig_patent_app_number] => 173223 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/173223
Capacitive coupled power supplies Mar 23, 1988 Issued
Array ( [id] => 2560600 [patent_doc_number] => 04833587 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-23 [patent_title] => 'Semiconductor switching circuit' [patent_app_type] => 1 [patent_app_number] => 7/171383 [patent_app_country] => US [patent_app_date] => 1988-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2321 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/833/04833587.pdf [firstpage_image] =>[orig_patent_app_number] => 171383 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/171383
Semiconductor switching circuit Mar 20, 1988 Issued
Array ( [id] => 2502887 [patent_doc_number] => 04847746 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-11 [patent_title] => 'Inverter to feed a load having an inductive component' [patent_app_type] => 1 [patent_app_number] => 7/171178 [patent_app_country] => US [patent_app_date] => 1988-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3985 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/847/04847746.pdf [firstpage_image] =>[orig_patent_app_number] => 171178 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/171178
Inverter to feed a load having an inductive component Mar 20, 1988 Issued
Array ( [id] => 2520196 [patent_doc_number] => 04841428 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-20 [patent_title] => 'Non-saturating magnetic amplifier controller' [patent_app_type] => 1 [patent_app_number] => 7/169921 [patent_app_country] => US [patent_app_date] => 1988-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1715 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/841/04841428.pdf [firstpage_image] =>[orig_patent_app_number] => 169921 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/169921
Non-saturating magnetic amplifier controller Mar 17, 1988 Issued
Array ( [id] => 2454719 [patent_doc_number] => 04791544 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-13 [patent_title] => 'Regulating control for single-ended switching power supply' [patent_app_type] => 1 [patent_app_number] => 7/169606 [patent_app_country] => US [patent_app_date] => 1988-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 7963 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/791/04791544.pdf [firstpage_image] =>[orig_patent_app_number] => 169606 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/169606
Regulating control for single-ended switching power supply Mar 16, 1988 Issued
Array ( [id] => 2524267 [patent_doc_number] => 04875152 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-17 [patent_title] => 'Electrical tap switch' [patent_app_type] => 1 [patent_app_number] => 7/169013 [patent_app_country] => US [patent_app_date] => 1988-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 1037 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/875/04875152.pdf [firstpage_image] =>[orig_patent_app_number] => 169013 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/169013
Electrical tap switch Mar 15, 1988 Issued
Array ( [id] => 2556275 [patent_doc_number] => 04811190 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-07 [patent_title] => 'Capacitive boost circuit for extending hold up time' [patent_app_type] => 1 [patent_app_number] => 7/169091 [patent_app_country] => US [patent_app_date] => 1988-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5455 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/811/04811190.pdf [firstpage_image] =>[orig_patent_app_number] => 169091 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/169091
Capacitive boost circuit for extending hold up time Mar 2, 1988 Issued
Array ( [id] => 2571334 [patent_doc_number] => 04835668 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-30 [patent_title] => 'Power supply with two output voltages' [patent_app_type] => 1 [patent_app_number] => 7/161522 [patent_app_country] => US [patent_app_date] => 1988-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2773 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/835/04835668.pdf [firstpage_image] =>[orig_patent_app_number] => 161522 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/161522
Power supply with two output voltages Feb 28, 1988 Issued
Array ( [id] => 2497075 [patent_doc_number] => 04802077 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-31 [patent_title] => 'PWM inverter controller' [patent_app_type] => 1 [patent_app_number] => 7/162082 [patent_app_country] => US [patent_app_date] => 1988-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2874 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/802/04802077.pdf [firstpage_image] =>[orig_patent_app_number] => 162082 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/162082
PWM inverter controller Feb 28, 1988 Issued
Array ( [id] => 2556194 [patent_doc_number] => 04811186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-07 [patent_title] => 'High frequency-high voltage power converter circuit' [patent_app_type] => 1 [patent_app_number] => 7/160381 [patent_app_country] => US [patent_app_date] => 1988-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 6155 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/811/04811186.pdf [firstpage_image] =>[orig_patent_app_number] => 160381 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/160381
High frequency-high voltage power converter circuit Feb 24, 1988 Issued
Array ( [id] => 2450574 [patent_doc_number] => 04792886 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-20 [patent_title] => 'Device comprising an electronic circuit for processing an analog signal' [patent_app_type] => 1 [patent_app_number] => 7/156880 [patent_app_country] => US [patent_app_date] => 1988-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3729 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/792/04792886.pdf [firstpage_image] =>[orig_patent_app_number] => 156880 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/156880
Device comprising an electronic circuit for processing an analog signal Feb 17, 1988 Issued
Array ( [id] => 2537123 [patent_doc_number] => 04862343 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-29 [patent_title] => 'Induction motor control apparatus' [patent_app_type] => 1 [patent_app_number] => 7/157041 [patent_app_country] => US [patent_app_date] => 1988-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3458 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/862/04862343.pdf [firstpage_image] =>[orig_patent_app_number] => 157041 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/157041
Induction motor control apparatus Feb 15, 1988 Issued
Array ( [id] => 2561706 [patent_doc_number] => 04816742 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-28 [patent_title] => 'Stabilized current and voltage reference sources' [patent_app_type] => 1 [patent_app_number] => 7/156381 [patent_app_country] => US [patent_app_date] => 1988-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4862 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/816/04816742.pdf [firstpage_image] =>[orig_patent_app_number] => 156381 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/156381
Stabilized current and voltage reference sources Feb 15, 1988 Issued
Array ( [id] => 2566373 [patent_doc_number] => 04816986 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-28 [patent_title] => 'Power control device for the magnetron of microwave oven' [patent_app_type] => 1 [patent_app_number] => 7/153057 [patent_app_country] => US [patent_app_date] => 1988-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 6036 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 550 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/816/04816986.pdf [firstpage_image] =>[orig_patent_app_number] => 153057 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/153057
Power control device for the magnetron of microwave oven Feb 7, 1988 Issued
Array ( [id] => 2418098 [patent_doc_number] => 04786855 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-22 [patent_title] => 'Regulator for current source transistor bias voltage' [patent_app_type] => 1 [patent_app_number] => 7/152169 [patent_app_country] => US [patent_app_date] => 1988-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 662 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/786/04786855.pdf [firstpage_image] =>[orig_patent_app_number] => 152169 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/152169
Regulator for current source transistor bias voltage Feb 3, 1988 Issued
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