Search

Devan A. Sandiford

Examiner (ID: 4124, Phone: (571)270-7989 , Office: P/2648 )

Most Active Art Unit
2648
Art Unit(s)
4185, 2648, 2618
Total Applications
456
Issued Applications
376
Pending Applications
0
Abandoned Applications
78

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20565208 [patent_doc_number] => 12567823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-03 [patent_title] => Variable torque motor/generator/transmission [patent_app_type] => utility [patent_app_number] => 18/143351 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 41 [patent_no_of_words] => 14706 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143351 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143351
Variable torque motor/generator/transmission May 3, 2023 Issued
Array ( [id] => 20414676 [patent_doc_number] => 12497949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Systems and methods of coordinated yaw control of multiple wind turbines [patent_app_type] => utility [patent_app_number] => 18/141597 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [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] => 18141597 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/141597
Systems and methods of coordinated yaw control of multiple wind turbines Apr 30, 2023 Issued
Array ( [id] => 19547209 [patent_doc_number] => 20240364245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => ENGINE START SYSTEM WITH EXCITER [patent_app_type] => utility [patent_app_number] => 18/307492 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2582 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307492 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307492
ENGINE START SYSTEM WITH EXCITER Apr 25, 2023 Abandoned
Array ( [id] => 18770473 [patent_doc_number] => 20230365244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => High-Altitude Wind Turbine Aircraft System and Method of Use [patent_app_type] => utility [patent_app_number] => 18/307139 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3893 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307139 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307139
High-altitude wind turbine aircraft system and method of use Apr 25, 2023 Issued
Array ( [id] => 19326529 [patent_doc_number] => 12044201 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-23 [patent_title] => Energy storage and electricity generating system and method of use [patent_app_type] => utility [patent_app_number] => 18/133851 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2201 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 373 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18133851 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/133851
Energy storage and electricity generating system and method of use Apr 11, 2023 Issued
Array ( [id] => 19227372 [patent_doc_number] => 12007006 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-11 [patent_title] => Rotary machine and power system comprising the rotary machine [patent_app_type] => utility [patent_app_number] => 18/131843 [patent_app_country] => US [patent_app_date] => 2023-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 6161 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18131843 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/131843
Rotary machine and power system comprising the rotary machine Apr 5, 2023 Issued
Array ( [id] => 18676074 [patent_doc_number] => 20230313698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => APPARATUS AND METHOD FOR A COMBINED HEAT AND POWER FACILITY [patent_app_type] => utility [patent_app_number] => 18/129337 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18129337 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/129337
APPARATUS AND METHOD FOR A COMBINED HEAT AND POWER FACILITY Mar 30, 2023 Abandoned
Array ( [id] => 20103601 [patent_doc_number] => 20250233537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => METHOD FOR CONTROLLING THE OPERATION OF A WIND TURBINE AND WIND TURBINE [patent_app_type] => utility [patent_app_number] => 18/853740 [patent_app_country] => US [patent_app_date] => 2023-03-31 [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] => -9 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18853740 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/853740
METHOD FOR CONTROLLING THE OPERATION OF A WIND TURBINE AND WIND TURBINE Mar 30, 2023 Pending
Array ( [id] => 18624271 [patent_doc_number] => 11757332 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Power generation from vehicle wheel rotation [patent_app_type] => utility [patent_app_number] => 18/188212 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 34 [patent_no_of_words] => 12626 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18188212 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/188212
Power generation from vehicle wheel rotation Mar 21, 2023 Issued
Array ( [id] => 19234489 [patent_doc_number] => 20240191682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => Hydroelectric power generation system [patent_app_type] => utility [patent_app_number] => 18/445045 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1677 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18445045 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/445045
Hydroelectric power generation system Mar 19, 2023 Abandoned
Array ( [id] => 19274982 [patent_doc_number] => 12025100 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Common brake for a cluster of turbines [patent_app_type] => utility [patent_app_number] => 18/113381 [patent_app_country] => US [patent_app_date] => 2023-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 57875 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18113381 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/113381
Common brake for a cluster of turbines Feb 22, 2023 Issued
Array ( [id] => 19932407 [patent_doc_number] => 12305606 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Wave-driven power generation device of converting gravity work [patent_app_type] => utility [patent_app_number] => 18/166592 [patent_app_country] => US [patent_app_date] => 2023-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 353 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18166592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/166592
Wave-driven power generation device of converting gravity work Feb 8, 2023 Issued
Array ( [id] => 18917161 [patent_doc_number] => 11879434 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Wind speed-tip speed ratio controlled wind turbine apparatus [patent_app_type] => utility [patent_app_number] => 18/158634 [patent_app_country] => US [patent_app_date] => 2023-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 10889 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18158634 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/158634
Wind speed-tip speed ratio controlled wind turbine apparatus Jan 23, 2023 Issued
Array ( [id] => 20493189 [patent_doc_number] => 12535054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Method of operating a wind turbine [patent_app_type] => utility [patent_app_number] => 18/839539 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18839539 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/839539
Method of operating a wind turbine Jan 18, 2023 Issued
Array ( [id] => 18406447 [patent_doc_number] => 20230167798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => INERTIAL PNEUMATIC WAVE ENERGY DEVICE [patent_app_type] => utility [patent_app_number] => 18/097044 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 67896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18097044 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/097044
Inertial pneumatic wave energy device Jan 12, 2023 Issued
Array ( [id] => 19441964 [patent_doc_number] => 12092210 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Hydraulic pressure power battery [patent_app_type] => utility [patent_app_number] => 18/082096 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 28 [patent_no_of_words] => 13066 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 351 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18082096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/082096
Hydraulic pressure power battery Dec 14, 2022 Issued
Array ( [id] => 18440769 [patent_doc_number] => 20230188065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => METHOD FOR CONTROLLING AN ACTIVE RECTIFIER OF A WIND POWER INSTALLATION [patent_app_type] => utility [patent_app_number] => 18/063366 [patent_app_country] => US [patent_app_date] => 2022-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8063 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18063366 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/063366
METHOD FOR CONTROLLING AN ACTIVE RECTIFIER OF A WIND POWER INSTALLATION Dec 7, 2022 Abandoned
Array ( [id] => 18421023 [patent_doc_number] => 20230175486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => A METHOD FOR OPERATING A WIND TURBINE AND A WIND TURBINE [patent_app_type] => utility [patent_app_number] => 18/075821 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18075821 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/075821
Method for operating a wind turbine and a wind turbine Dec 5, 2022 Issued
Array ( [id] => 19583065 [patent_doc_number] => 12149197 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Hybrid electric vehicle and motor drive apparatus for same [patent_app_type] => utility [patent_app_number] => 17/985413 [patent_app_country] => US [patent_app_date] => 2022-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6363 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17985413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/985413
Hybrid electric vehicle and motor drive apparatus for same Nov 10, 2022 Issued
Array ( [id] => 19173022 [patent_doc_number] => 20240158996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => Spiral Metal-bar Grate with Center Axle [patent_app_type] => utility [patent_app_number] => 18/054718 [patent_app_country] => US [patent_app_date] => 2022-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2353 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18054718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/054718
Spiral Metal-bar Grate with Center Axle Nov 10, 2022 Abandoned
Menu