Search

Thomas K Pham

Supervisory Patent Examiner (ID: 12390, Phone: (571)272-3689 , Office: P/2872 )

Most Active Art Unit
2121
Art Unit(s)
2872, 4148, 2121, 2191
Total Applications
564
Issued Applications
434
Pending Applications
19
Abandoned Applications
111

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19120855 [patent_doc_number] => 11964824 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Transport device [patent_app_type] => utility [patent_app_number] => 17/908454 [patent_app_country] => US [patent_app_date] => 2021-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 9428 [patent_no_of_claims] => 15 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17908454 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/908454
Transport device Mar 2, 2021 Issued
Array ( [id] => 18282454 [patent_doc_number] => 20230097926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => TRANSPORT DEVICE [patent_app_type] => utility [patent_app_number] => 17/908452 [patent_app_country] => US [patent_app_date] => 2021-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17908452 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/908452
TRANSPORT DEVICE Mar 2, 2021 Pending
Array ( [id] => 18444381 [patent_doc_number] => 11679939 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-06-20 [patent_title] => External mobility systems for heavy machinery and equipment [patent_app_type] => utility [patent_app_number] => 17/188745 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 12320 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17188745 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/188745
External mobility systems for heavy machinery and equipment Feb 28, 2021 Issued
Array ( [id] => 19135436 [patent_doc_number] => 11970365 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Protective device during assembly work on an escalator or a moving walkway [patent_app_type] => utility [patent_app_number] => 17/802424 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5110 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17802424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/802424
Protective device during assembly work on an escalator or a moving walkway Feb 25, 2021 Issued
Array ( [id] => 18269956 [patent_doc_number] => 20230091198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => CONVEYOR BELT RIP DETECTION METHOD & SYSTEM [patent_app_type] => utility [patent_app_number] => 17/802868 [patent_app_country] => US [patent_app_date] => 2021-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2929 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17802868 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/802868
CONVEYOR BELT RIP DETECTION METHOD & SYSTEM Feb 22, 2021 Pending
Array ( [id] => 17467521 [patent_doc_number] => 11273989 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Chain driving sprocket for trolley conveyors [patent_app_type] => utility [patent_app_number] => 17/182855 [patent_app_country] => US [patent_app_date] => 2021-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3719 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17182855 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/182855
Chain driving sprocket for trolley conveyors Feb 22, 2021 Issued
Array ( [id] => 17096662 [patent_doc_number] => 20210284453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => CONVEYOR BELT WITH FLOW CONTROL CLEATS [patent_app_type] => utility [patent_app_number] => 17/181317 [patent_app_country] => US [patent_app_date] => 2021-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17181317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/181317
Conveyor belt with flow control cleats Feb 21, 2021 Issued
Array ( [id] => 17055754 [patent_doc_number] => 20210265188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => SUBSTRATE PROCESS APPARATUS [patent_app_type] => utility [patent_app_number] => 17/180298 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25822 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17180298 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/180298
Substrate process apparatus Feb 18, 2021 Issued
Array ( [id] => 17742407 [patent_doc_number] => 11390464 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-07-19 [patent_title] => Chain slack adjustment mechanism for mail sortation systems [patent_app_type] => utility [patent_app_number] => 17/173377 [patent_app_country] => US [patent_app_date] => 2021-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 3433 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17173377 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/173377
Chain slack adjustment mechanism for mail sortation systems Feb 10, 2021 Issued
Array ( [id] => 17214274 [patent_doc_number] => 20210347611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => METHOD AND SYSTEM FOR ENSURING SOCIAL DISTANCING ON AN ESCALATOR OR TRAVELLATOR [patent_app_type] => utility [patent_app_number] => 17/171309 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3627 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17171309 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/171309
Method and system for ensuring social distancing on an escalator or travellator Feb 8, 2021 Issued
Array ( [id] => 17649502 [patent_doc_number] => 11352215 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Turning driving device [patent_app_type] => utility [patent_app_number] => 17/171175 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4637 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 17171175 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/171175
Turning driving device Feb 8, 2021 Issued
Array ( [id] => 18252995 [patent_doc_number] => 20230080034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => SHEET MATERIAL CONVEYANCE DEVICE AND DISPOSABLE WEARING ARTICLE MANUFACTURING SYSTEM PROVIDED WITH SAID CONVEYANCE DEVICE [patent_app_type] => utility [patent_app_number] => 17/800836 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17800836 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/800836
SHEET MATERIAL CONVEYANCE DEVICE AND DISPOSABLE WEARING ARTICLE MANUFACTURING SYSTEM PROVIDED WITH SAID CONVEYANCE DEVICE Feb 4, 2021 Pending
Array ( [id] => 18340270 [patent_doc_number] => 20230132219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => CONVEYOR SYSTEM, USE OF A SPRING DAMPER ASSEMBLY IN AN ENDLESS CONVEYOR TENSIONER ASSEMBLY, AND USE OF A CONVEYOR SYSTEM IN CROP CULTIVATION [patent_app_type] => utility [patent_app_number] => 17/798091 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17798091 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/798091
CONVEYOR SYSTEM, USE OF A SPRING DAMPER ASSEMBLY IN AN ENDLESS CONVEYOR TENSIONER ASSEMBLY, AND USE OF A CONVEYOR SYSTEM IN CROP CULTIVATION Feb 4, 2021 Abandoned
Array ( [id] => 17467524 [patent_doc_number] => 11273992 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Sorting facility and status checking method for traveling carriage [patent_app_type] => utility [patent_app_number] => 17/155742 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12512 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17155742 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/155742
Sorting facility and status checking method for traveling carriage Jan 21, 2021 Issued
Array ( [id] => 18229680 [patent_doc_number] => 20230068674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => DEVICE FOR PIVOTALLY SUPPORTING A RETURN ROLLER OF A BELT CONVEYOR DEVICE, AND BELT CONVEYOR DEVICE HAVING SUCH DEVICE [patent_app_type] => utility [patent_app_number] => 17/793702 [patent_app_country] => US [patent_app_date] => 2021-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17793702 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/793702
Device for pivotally supporting a return roller of a belt conveyor device, and belt conveyor device having such device Jan 17, 2021 Issued
Array ( [id] => 16962691 [patent_doc_number] => 20210214190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => POWER SWITCH DEVICE FOR AN OILER OF AN ESCALATOR OR A MOVING WALK [patent_app_type] => utility [patent_app_number] => 17/144515 [patent_app_country] => US [patent_app_date] => 2021-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5087 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17144515 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/144515
Power switch device for an oiler of an escalator or a moving walk Jan 7, 2021 Issued
Array ( [id] => 16807562 [patent_doc_number] => 20210130115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => Grain Spreading Device [patent_app_type] => utility [patent_app_number] => 17/144260 [patent_app_country] => US [patent_app_date] => 2021-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3944 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17144260 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/144260
Grain spreading device Jan 7, 2021 Issued
Array ( [id] => 18000877 [patent_doc_number] => 11501988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Conveyor system [patent_app_type] => utility [patent_app_number] => 17/143265 [patent_app_country] => US [patent_app_date] => 2021-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 6600 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17143265 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/143265
Conveyor system Jan 6, 2021 Issued
Array ( [id] => 17421079 [patent_doc_number] => 11254517 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-02-22 [patent_title] => Liner and load assembly therefor [patent_app_type] => utility [patent_app_number] => 17/140330 [patent_app_country] => US [patent_app_date] => 2021-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 3963 [patent_no_of_claims] => 17 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17140330 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/140330
Liner and load assembly therefor Jan 3, 2021 Issued
Array ( [id] => 17858913 [patent_doc_number] => 11440054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Conveyance system [patent_app_type] => utility [patent_app_number] => 17/136399 [patent_app_country] => US [patent_app_date] => 2020-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 5136 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17136399 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/136399
Conveyance system Dec 28, 2020 Issued
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