Search

Dennis Butler

Examiner (ID: 6875, Phone: (571)272-3663 , Office: P/2118 )

Most Active Art Unit
2115
Art Unit(s)
2316, 2182, 2185, 2307, 2115, 2118, 2787, 2126
Total Applications
1406
Issued Applications
1190
Pending Applications
46
Abandoned Applications
174

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20636663 [patent_doc_number] => 12597544 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-07 [patent_title] => Magnetic coupling device [patent_app_type] => utility [patent_app_number] => 19/245105 [patent_app_country] => US [patent_app_date] => 2025-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 24 [patent_no_of_words] => 10879 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [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] => 19245105 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/245105
Magnetic coupling device Jun 19, 2025 Issued
Array ( [id] => 20360027 [patent_doc_number] => 12476031 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Magnetic attraction fixing device with adjustable magnetic attraction distance [patent_app_type] => utility [patent_app_number] => 19/228465 [patent_app_country] => US [patent_app_date] => 2025-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 1156 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 19228465 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/228465
Magnetic attraction fixing device with adjustable magnetic attraction distance Jun 3, 2025 Issued
Array ( [id] => 20766439 [patent_doc_number] => 20260163429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-11 [patent_title] => COMPONENT FOR AN ELECTRICAL MACHINE AND METHOD OF FORMING AN ELECTRICAL MACHINE [patent_app_type] => utility [patent_app_number] => 18/975801 [patent_app_country] => US [patent_app_date] => 2024-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6533 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18975801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/975801
COMPONENT FOR AN ELECTRICAL MACHINE AND METHOD OF FORMING AN ELECTRICAL MACHINE Dec 9, 2024 Pending
Array ( [id] => 20654038 [patent_doc_number] => 20260106062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-16 [patent_title] => Magnetic Decoupler [patent_app_type] => utility [patent_app_number] => 18/917210 [patent_app_country] => US [patent_app_date] => 2024-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18917210 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/917210
Magnetic Decoupler Oct 15, 2024 Pending
Array ( [id] => 20425809 [patent_doc_number] => 20250387896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => POWER TOOL AND SWITCH DEVICE THEREOF [patent_app_type] => utility [patent_app_number] => 18/823700 [patent_app_country] => US [patent_app_date] => 2024-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18823700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/823700
POWER TOOL AND SWITCH DEVICE THEREOF Sep 3, 2024 Pending
Array ( [id] => 19661906 [patent_doc_number] => 20240428971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => MAGNETIC COUPLING DEVICE [patent_app_type] => utility [patent_app_number] => 18/823658 [patent_app_country] => US [patent_app_date] => 2024-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18823658 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/823658
Magnetic coupling device Sep 2, 2024 Issued
Array ( [id] => 20603047 [patent_doc_number] => 20260081059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-19 [patent_title] => Superconducting Magnet Device [patent_app_type] => utility [patent_app_number] => 18/818745 [patent_app_country] => US [patent_app_date] => 2024-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18818745 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/818745
Superconducting Magnet Device Aug 28, 2024 Pending
Array ( [id] => 19646390 [patent_doc_number] => 20240420910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => MULTI-SWITCH CONTACTOR ASSEMBLY WITH A PRE-CHARGE RELAY [patent_app_type] => utility [patent_app_number] => 18/819882 [patent_app_country] => US [patent_app_date] => 2024-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11397 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18819882 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/819882
MULTI-SWITCH CONTACTOR ASSEMBLY WITH A PRE-CHARGE RELAY Aug 28, 2024 Pending
Array ( [id] => 19820893 [patent_doc_number] => 20250079100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => CONTACTOR MOVABLE CONTACT ASSEMBLY AND CONTACTOR [patent_app_type] => utility [patent_app_number] => 18/815957 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815957 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815957
CONTACTOR MOVABLE CONTACT ASSEMBLY AND CONTACTOR Aug 26, 2024 Pending
Array ( [id] => 20558749 [patent_doc_number] => 20260058536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => SUPPLEMENTAL COOLING SYSTEM FOR SUPERCONDUCTING ELECTRICAL MACHINE [patent_app_type] => utility [patent_app_number] => 18/813974 [patent_app_country] => US [patent_app_date] => 2024-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4685 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18813974 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/813974
SUPPLEMENTAL COOLING SYSTEM FOR SUPERCONDUCTING ELECTRICAL MACHINE Aug 22, 2024 Pending
Array ( [id] => 19803909 [patent_doc_number] => 20250069834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => CONTACTOR MOVABLE TERMINAL ASSEMBLY AND CONTACTOR [patent_app_type] => utility [patent_app_number] => 18/811944 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4466 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18811944 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/811944
CONTACTOR MOVABLE TERMINAL ASSEMBLY AND CONTACTOR Aug 21, 2024 Pending
Array ( [id] => 20514645 [patent_doc_number] => 20260038747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-05 [patent_title] => MULTI-TERMINAL TRACER WIRE ACCESS POINT [patent_app_type] => utility [patent_app_number] => 18/794869 [patent_app_country] => US [patent_app_date] => 2024-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18794869 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/794869
MULTI-TERMINAL TRACER WIRE ACCESS POINT Aug 4, 2024 Pending
Array ( [id] => 19803908 [patent_doc_number] => 20250069833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => ELECTROMAGNETIC RELAY [patent_app_type] => utility [patent_app_number] => 18/788801 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4946 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 363 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18788801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/788801
ELECTROMAGNETIC RELAY Jul 29, 2024 Pending
Array ( [id] => 19727051 [patent_doc_number] => 20250029802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => MOTION MECHANISM AND CORRESPONDING CONTACTOR [patent_app_type] => utility [patent_app_number] => 18/775520 [patent_app_country] => US [patent_app_date] => 2024-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18775520 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775520
MOTION MECHANISM AND CORRESPONDING CONTACTOR Jul 16, 2024 Pending
Array ( [id] => 20462089 [patent_doc_number] => 20260011518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => Contactor with Anti-Levitation Mechanism [patent_app_type] => utility [patent_app_number] => 18/764423 [patent_app_country] => US [patent_app_date] => 2024-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18764423 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/764423
Contactor with Anti-Levitation Mechanism Jul 4, 2024 Pending
18/726425 ELECTROMAGNETIC REED SWITCH RELAY WITH SMALL CROSS CAPACITANCE Jul 2, 2024 Pending
Array ( [id] => 19727052 [patent_doc_number] => 20250029803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => CONTACTOR [patent_app_type] => utility [patent_app_number] => 18/761576 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761576 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761576
CONTACTOR Jul 1, 2024 Pending
Array ( [id] => 20409906 [patent_doc_number] => 20250379015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => SENSOR FOR RELAY POSITION [patent_app_type] => utility [patent_app_number] => 18/738155 [patent_app_country] => US [patent_app_date] => 2024-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18738155 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/738155
SENSOR FOR RELAY POSITION Jun 9, 2024 Pending
Array ( [id] => 19634485 [patent_doc_number] => 20240412934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => SWITCHING DEVICE [patent_app_type] => utility [patent_app_number] => 18/735530 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2699 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735530 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735530
SWITCHING DEVICE Jun 5, 2024 Pending
Array ( [id] => 19646386 [patent_doc_number] => 20240420906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => ELECTROMECHANICAL RELAY AND MONITORING SWITCH FOR AN ELECTROMECHANICAL RELAY [patent_app_type] => utility [patent_app_number] => 18/734982 [patent_app_country] => US [patent_app_date] => 2024-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18734982 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/734982
ELECTROMECHANICAL RELAY AND MONITORING SWITCH FOR AN ELECTROMECHANICAL RELAY Jun 4, 2024 Pending
Menu