Search

Marina Annette Tietjen

Examiner (ID: 395, Phone: (571)270-5422 , Office: P/3753 )

Most Active Art Unit
3753
Art Unit(s)
3753, 3799
Total Applications
1099
Issued Applications
796
Pending Applications
73
Abandoned Applications
256

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20439379 [patent_doc_number] => 12510210 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Control system for reduced emissions [patent_app_type] => utility [patent_app_number] => 18/464665 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18464665 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464665
Control system for reduced emissions Sep 10, 2023 Issued
Array ( [id] => 19083836 [patent_doc_number] => 20240110637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => VALVE DEVICE [patent_app_type] => utility [patent_app_number] => 18/464571 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 423 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18464571 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464571
Valve device Sep 10, 2023 Issued
Array ( [id] => 19181711 [patent_doc_number] => 11988295 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-21 [patent_title] => Controllable variable flow valve having pivoting foot with abutting heel [patent_app_type] => utility [patent_app_number] => 18/219059 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 35 [patent_no_of_words] => 7253 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [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] => 18219059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/219059
Controllable variable flow valve having pivoting foot with abutting heel Jul 5, 2023 Issued
Array ( [id] => 19871818 [patent_doc_number] => 12264668 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Flapper valve with common rotational direction [patent_app_type] => utility [patent_app_number] => 18/345582 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1512 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18345582 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/345582
Flapper valve with common rotational direction Jun 29, 2023 Issued
Array ( [id] => 19319175 [patent_doc_number] => 20240240718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => Coaxial Valve System [patent_app_type] => utility [patent_app_number] => 18/341586 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18341586 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/341586
Coaxial valve system Jun 25, 2023 Issued
Array ( [id] => 19643763 [patent_doc_number] => 20240418283 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => GATE VALVE AND SEAT FOR A GATE VALVE [patent_app_type] => utility [patent_app_number] => 18/336805 [patent_app_country] => US [patent_app_date] => 2023-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18336805 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/336805
Gate valve and seat for a gate valve Jun 15, 2023 Issued
Array ( [id] => 19643761 [patent_doc_number] => 20240418281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => Inflator Valve Connector [patent_app_type] => utility [patent_app_number] => 18/333644 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2318 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18333644 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333644
Inflator valve connector Jun 12, 2023 Issued
Array ( [id] => 20309899 [patent_doc_number] => 20250327528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => VORTEX-TYPE FLOW CONTROL VALVE [patent_app_type] => utility [patent_app_number] => 18/868173 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7600 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18868173 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/868173
VORTEX-TYPE FLOW CONTROL VALVE May 21, 2023 Pending
Array ( [id] => 18809524 [patent_doc_number] => 20230383859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => FIBER REINFORCED VALVE SEAL [patent_app_type] => utility [patent_app_number] => 18/318802 [patent_app_country] => US [patent_app_date] => 2023-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7738 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18318802 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/318802
Fiber reinforced valve seal May 16, 2023 Issued
Array ( [id] => 20144707 [patent_doc_number] => 12379041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Steam valve [patent_app_type] => utility [patent_app_number] => 18/143293 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3298 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143293
Steam valve May 3, 2023 Issued
Array ( [id] => 19700267 [patent_doc_number] => 12194268 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Rotary valves for managing fluid flows in medical systems [patent_app_type] => utility [patent_app_number] => 18/308739 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 25 [patent_no_of_words] => 9648 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308739 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308739
Rotary valves for managing fluid flows in medical systems Apr 27, 2023 Issued
Array ( [id] => 20179954 [patent_doc_number] => 20250263912 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => FIRE HYDRANT VALVE USABLE ALONE QUICKLY IN CASE OF FIRE [patent_app_type] => utility [patent_app_number] => 18/856613 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18856613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/856613
FIRE HYDRANT VALVE USABLE ALONE QUICKLY IN CASE OF FIRE Apr 19, 2023 Pending
Array ( [id] => 19731680 [patent_doc_number] => 12209671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Valve device [patent_app_type] => utility [patent_app_number] => 18/295401 [patent_app_country] => US [patent_app_date] => 2023-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 39 [patent_no_of_words] => 15050 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18295401 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/295401
Valve device Apr 3, 2023 Issued
Array ( [id] => 19863287 [patent_doc_number] => 20250102073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => DEVICE FOR CONTROLLING PASSAGE OF FLUID [patent_app_type] => utility [patent_app_number] => 18/850936 [patent_app_country] => US [patent_app_date] => 2023-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6402 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18850936 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/850936
DEVICE FOR CONTROLLING PASSAGE OF FLUID Mar 27, 2023 Abandoned
Array ( [id] => 20069447 [patent_doc_number] => 20250207669 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => FLUID CONTROL VALVE, FLUID CONTROL DEVICE, AND FLUID CONTROL VALVE MANUFACTURING METHOD [patent_app_type] => utility [patent_app_number] => 18/852129 [patent_app_country] => US [patent_app_date] => 2023-03-27 [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] => -5 [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] => 18852129 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/852129
FLUID CONTROL VALVE, FLUID CONTROL DEVICE, AND FLUID CONTROL VALVE MANUFACTURING METHOD Mar 26, 2023 Pending
Array ( [id] => 18649096 [patent_doc_number] => 20230294882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => Improved Drainage Bucket [patent_app_type] => utility [patent_app_number] => 18/122458 [patent_app_country] => US [patent_app_date] => 2023-03-16 [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] => -8 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18122458 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122458
Improved Drainage Bucket Mar 15, 2023 Pending
Array ( [id] => 18629124 [patent_doc_number] => 20230288004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => FLUID JOINT STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/120429 [patent_app_country] => US [patent_app_date] => 2023-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11377 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18120429 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/120429
Fluid joint structure Mar 12, 2023 Issued
Array ( [id] => 18567941 [patent_doc_number] => 20230258276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => Check Valve With Integral Handle [patent_app_type] => utility [patent_app_number] => 18/109746 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7354 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18109746 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109746
Check valve with integral handle Feb 13, 2023 Issued
Array ( [id] => 19743042 [patent_doc_number] => 20250031607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => DEVICE FOR DISTRIBUTING FERTILIZER [patent_app_type] => utility [patent_app_number] => 18/836881 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18836881 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/836881
DEVICE FOR DISTRIBUTING FERTILIZER Feb 9, 2023 Pending
Array ( [id] => 20008260 [patent_doc_number] => 20250146482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => VALVE FOR A PISTON COMPRESSOR, AND METHOD FOR OPERATING SUCH A VALVE [patent_app_type] => utility [patent_app_number] => 18/837629 [patent_app_country] => US [patent_app_date] => 2023-02-10 [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] => -15 [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] => 18837629 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/837629
VALVE FOR A PISTON COMPRESSOR, AND METHOD FOR OPERATING SUCH A VALVE Feb 9, 2023 Pending
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