Search

Nathan E. Durham

Examiner (ID: 5790, Phone: (571)272-8642 , Office: P/3765 )

Most Active Art Unit
3765
Art Unit(s)
3732, 3765
Total Applications
1335
Issued Applications
857
Pending Applications
70
Abandoned Applications
425

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5346563 [patent_doc_number] => 20090001924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-01 [patent_title] => 'System and method for dynamic field weakening' [patent_app_type] => utility [patent_app_number] => 11/819935 [patent_app_country] => US [patent_app_date] => 2007-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8569 [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] => publications/A1/0001/20090001924.pdf [firstpage_image] =>[orig_patent_app_number] => 11819935 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/819935
System and method for dynamic field weakening Jun 28, 2007 Issued
Array ( [id] => 5197043 [patent_doc_number] => 20070296361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-12-27 [patent_title] => 'SPEED CONTROL DEVICE FOR ELECTRIC MOTOR' [patent_app_type] => utility [patent_app_number] => 11/767041 [patent_app_country] => US [patent_app_date] => 2007-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2420 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0296/20070296361.pdf [firstpage_image] =>[orig_patent_app_number] => 11767041 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/767041
Speed control device for electric motor Jun 21, 2007 Issued
Array ( [id] => 143395 [patent_doc_number] => 07692396 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-06 [patent_title] => 'Electromotive furniture drive' [patent_app_type] => utility [patent_app_number] => 11/767003 [patent_app_country] => US [patent_app_date] => 2007-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2610 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/692/07692396.pdf [firstpage_image] =>[orig_patent_app_number] => 11767003 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/767003
Electromotive furniture drive Jun 21, 2007 Issued
Array ( [id] => 4907513 [patent_doc_number] => 20080018279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-24 [patent_title] => 'MOTOR DRIVING APPARATUS, MOTOR DRIVING METHOD AND DISK DRIVING APPARATUS' [patent_app_type] => utility [patent_app_number] => 11/766884 [patent_app_country] => US [patent_app_date] => 2007-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 28648 [patent_no_of_claims] => 30 [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] => publications/A1/0018/20080018279.pdf [firstpage_image] =>[orig_patent_app_number] => 11766884 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/766884
Motor driving apparatus, motor driving method and disk driving apparatus Jun 21, 2007 Issued
Array ( [id] => 4850063 [patent_doc_number] => 20080315805 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-25 [patent_title] => 'CHOPPER CIRCUIT TOPOLOGIES FOR ADAPTING AN ELECTRICAL BRAKING SYSTEM IN A TRACTION VEHICLE' [patent_app_type] => utility [patent_app_number] => 11/766259 [patent_app_country] => US [patent_app_date] => 2007-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4146 [patent_no_of_claims] => 23 [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] => publications/A1/0315/20080315805.pdf [firstpage_image] =>[orig_patent_app_number] => 11766259 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/766259
Chopper circuit topologies for adapting an electrical braking system in a traction vehicle Jun 20, 2007 Issued
Array ( [id] => 4850064 [patent_doc_number] => 20080315806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-25 [patent_title] => 'KIT AND METHOD FOR RECONFIGURING AN ELECTRICAL BRAKING SYSTEM FOR A TRACTION VEHICLE' [patent_app_type] => utility [patent_app_number] => 11/766205 [patent_app_country] => US [patent_app_date] => 2007-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4225 [patent_no_of_claims] => 12 [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] => publications/A1/0315/20080315806.pdf [firstpage_image] =>[orig_patent_app_number] => 11766205 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/766205
Kit and method for reconfiguring an electrical braking system for a traction vehicle Jun 20, 2007 Issued
Array ( [id] => 4850080 [patent_doc_number] => 20080315822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-25 [patent_title] => 'Rotor position detection at standstill and low speeds using a low power permanent magnet machine' [patent_app_type] => utility [patent_app_number] => 11/820640 [patent_app_country] => US [patent_app_date] => 2007-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1905 [patent_no_of_claims] => 12 [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] => publications/A1/0315/20080315822.pdf [firstpage_image] =>[orig_patent_app_number] => 11820640 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/820640
Rotor position detection at standstill and low speeds using a low power permanent magnet machine Jun 19, 2007 Issued
Array ( [id] => 4907507 [patent_doc_number] => 20080018273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-24 [patent_title] => 'Rotor position detection circuit and motor driving device' [patent_app_type] => utility [patent_app_number] => 11/812396 [patent_app_country] => US [patent_app_date] => 2007-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5904 [patent_no_of_claims] => 14 [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] => publications/A1/0018/20080018273.pdf [firstpage_image] =>[orig_patent_app_number] => 11812396 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/812396
Rotor position detection circuit and motor driving device Jun 18, 2007 Issued
Array ( [id] => 243753 [patent_doc_number] => 07589490 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-15 [patent_title] => 'Motor control system for the PWM control of an electric motor' [patent_app_type] => utility [patent_app_number] => 11/820271 [patent_app_country] => US [patent_app_date] => 2007-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4493 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/589/07589490.pdf [firstpage_image] =>[orig_patent_app_number] => 11820271 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/820271
Motor control system for the PWM control of an electric motor Jun 18, 2007 Issued
Array ( [id] => 7599412 [patent_doc_number] => 07583036 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-01 [patent_title] => 'Electrically driven vehicle' [patent_app_type] => utility [patent_app_number] => 11/764828 [patent_app_country] => US [patent_app_date] => 2007-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 5795 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/583/07583036.pdf [firstpage_image] =>[orig_patent_app_number] => 11764828 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/764828
Electrically driven vehicle Jun 18, 2007 Issued
Array ( [id] => 4930794 [patent_doc_number] => 20080001569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-03 [patent_title] => 'Motor driving apparatus' [patent_app_type] => utility [patent_app_number] => 11/812531 [patent_app_country] => US [patent_app_date] => 2007-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7817 [patent_no_of_claims] => 10 [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] => publications/A1/0001/20080001569.pdf [firstpage_image] =>[orig_patent_app_number] => 11812531 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/812531
Motor driving apparatus Jun 18, 2007 Abandoned
Array ( [id] => 278447 [patent_doc_number] => 07557525 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-07 [patent_title] => 'Dual swing gate control system' [patent_app_type] => utility [patent_app_number] => 11/820070 [patent_app_country] => US [patent_app_date] => 2007-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 2575 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/557/07557525.pdf [firstpage_image] =>[orig_patent_app_number] => 11820070 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/820070
Dual swing gate control system Jun 17, 2007 Issued
Array ( [id] => 274714 [patent_doc_number] => 07560881 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'Electric drive fuel control system and method' [patent_app_type] => utility [patent_app_number] => 11/764478 [patent_app_country] => US [patent_app_date] => 2007-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4820 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/560/07560881.pdf [firstpage_image] =>[orig_patent_app_number] => 11764478 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/764478
Electric drive fuel control system and method Jun 17, 2007 Issued
Array ( [id] => 304053 [patent_doc_number] => 07535193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-05-19 [patent_title] => 'Five axis compensated rotating stage' [patent_app_type] => utility [patent_app_number] => 11/764486 [patent_app_country] => US [patent_app_date] => 2007-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2981 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/535/07535193.pdf [firstpage_image] =>[orig_patent_app_number] => 11764486 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/764486
Five axis compensated rotating stage Jun 17, 2007 Issued
Array ( [id] => 4733120 [patent_doc_number] => 20080050099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-28 [patent_title] => 'UNIVERSAL BRUSHLESS DC MOTOR' [patent_app_type] => utility [patent_app_number] => 11/764208 [patent_app_country] => US [patent_app_date] => 2007-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1895 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0050/20080050099.pdf [firstpage_image] =>[orig_patent_app_number] => 11764208 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/764208
Universal brushless DC motor Jun 16, 2007 Issued
Array ( [id] => 4733121 [patent_doc_number] => 20080050100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-28 [patent_title] => 'CONTROLLER FOR DC BRUSHLESS MOTOR INTEGRATED WITH A HIGH VOLTAGE CONTROL SYSTEM' [patent_app_type] => utility [patent_app_number] => 11/764210 [patent_app_country] => US [patent_app_date] => 2007-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1537 [patent_no_of_claims] => 19 [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] => publications/A1/0050/20080050100.pdf [firstpage_image] =>[orig_patent_app_number] => 11764210 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/764210
Controller for DC brushless motor integrated with a high voltage control system Jun 16, 2007 Issued
Array ( [id] => 315299 [patent_doc_number] => 07525271 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-28 [patent_title] => 'Motor driving circuit having low current consumption under a standby mode' [patent_app_type] => utility [patent_app_number] => 11/763450 [patent_app_country] => US [patent_app_date] => 2007-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5800 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 462 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/525/07525271.pdf [firstpage_image] =>[orig_patent_app_number] => 11763450 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/763450
Motor driving circuit having low current consumption under a standby mode Jun 14, 2007 Issued
Array ( [id] => 327113 [patent_doc_number] => 07514889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-07 [patent_title] => 'Steering controlling device' [patent_app_type] => utility [patent_app_number] => 11/763061 [patent_app_country] => US [patent_app_date] => 2007-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5989 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/514/07514889.pdf [firstpage_image] =>[orig_patent_app_number] => 11763061 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/763061
Steering controlling device Jun 13, 2007 Issued
Array ( [id] => 4533202 [patent_doc_number] => 07923944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-12 [patent_title] => 'Single processor dual motor control' [patent_app_type] => utility [patent_app_number] => 11/758941 [patent_app_country] => US [patent_app_date] => 2007-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3628 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/923/07923944.pdf [firstpage_image] =>[orig_patent_app_number] => 11758941 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/758941
Single processor dual motor control Jun 5, 2007 Issued
Array ( [id] => 103327 [patent_doc_number] => 07728539 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-01 [patent_title] => 'Methods and apparatuses for measuring VCM BEMF at a VCM control update rate' [patent_app_type] => utility [patent_app_number] => 11/750839 [patent_app_country] => US [patent_app_date] => 2007-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4469 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/728/07728539.pdf [firstpage_image] =>[orig_patent_app_number] => 11750839 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/750839
Methods and apparatuses for measuring VCM BEMF at a VCM control update rate May 17, 2007 Issued
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