Search

Sihar A. Karwan

Examiner (ID: 18825, Phone: (571)272-2747 , Office: P/2422 )

Most Active Art Unit
2422
Art Unit(s)
2422, 3658, 3664
Total Applications
453
Issued Applications
234
Pending Applications
73
Abandoned Applications
170

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20177373 [patent_doc_number] => 12396138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Heat removal systems and methods with automated fire suppression for data centers [patent_app_type] => utility [patent_app_number] => 17/892683 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 22 [patent_no_of_words] => 7320 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17892683 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/892683
Heat removal systems and methods with automated fire suppression for data centers Aug 21, 2022 Issued
Array ( [id] => 18985830 [patent_doc_number] => 20240057799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => BIODEGRADABLE STRAW [patent_app_type] => utility [patent_app_number] => 17/820073 [patent_app_country] => US [patent_app_date] => 2022-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1855 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17820073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/820073
BIODEGRADABLE STRAW Aug 15, 2022 Abandoned
Array ( [id] => 19990055 [patent_doc_number] => 20250128277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => Electrostatic Spraying Device [patent_app_type] => utility [patent_app_number] => 18/690516 [patent_app_country] => US [patent_app_date] => 2022-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1144 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18690516 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/690516
Electrostatic Spraying Device Aug 11, 2022 Pending
Array ( [id] => 18785040 [patent_doc_number] => 20230372753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => CONSTANT BLEND RATIO OF FIRE SUPPRESSANT AGENTS DURING DISCHARGE [patent_app_type] => utility [patent_app_number] => 17/885746 [patent_app_country] => US [patent_app_date] => 2022-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4400 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17885746 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/885746
CONSTANT BLEND RATIO OF FIRE SUPPRESSANT AGENTS DURING DISCHARGE Aug 10, 2022 Abandoned
Array ( [id] => 18886630 [patent_doc_number] => 11865388 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Systems and methods for fire suppression in a corridor [patent_app_type] => utility [patent_app_number] => 17/882197 [patent_app_country] => US [patent_app_date] => 2022-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9571 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17882197 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/882197
Systems and methods for fire suppression in a corridor Aug 4, 2022 Issued
Array ( [id] => 18437142 [patent_doc_number] => 20230184436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => Birthday Cake Blower Device [patent_app_type] => utility [patent_app_number] => 17/865500 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6159 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17865500 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/865500
Birthday Cake Blower Device Jul 14, 2022 Pending
Array ( [id] => 18110743 [patent_doc_number] => 20230003623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => ANALYTICAL NEBULIZER [patent_app_type] => utility [patent_app_number] => 17/811592 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6983 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17811592 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/811592
ANALYTICAL NEBULIZER Jul 10, 2022 Pending
Array ( [id] => 17959077 [patent_doc_number] => 20220339657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => HANDHELD SHOWER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/860987 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 322 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17860987 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/860987
Handheld shower assembly Jul 7, 2022 Issued
Array ( [id] => 17959076 [patent_doc_number] => 20220339656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => Irrigation Nozzle With One Or More Grit Vents [patent_app_type] => utility [patent_app_number] => 17/860698 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17860698 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/860698
Irrigation nozzle with one or more grit vents Jul 7, 2022 Issued
Array ( [id] => 18123714 [patent_doc_number] => 20230009324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => BULLDOZER WITH FIRE APPARATUS [patent_app_type] => utility [patent_app_number] => 17/859492 [patent_app_country] => US [patent_app_date] => 2022-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17859492 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/859492
Bulldozer with fire apparatus Jul 6, 2022 Issued
Array ( [id] => 18148647 [patent_doc_number] => 20230022504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => SPRAY MONITORING SYSTEMS, DEVICES, AND METHODS [patent_app_type] => utility [patent_app_number] => 17/811031 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28591 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17811031 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/811031
Spray monitoring systems, devices, and methods Jul 5, 2022 Issued
Array ( [id] => 18149178 [patent_doc_number] => 20230023035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => SPRAY NOZZLE ERROR DETECTION [patent_app_type] => utility [patent_app_number] => 17/811044 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28552 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17811044 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/811044
SPRAY NOZZLE ERROR DETECTION Jul 5, 2022 Abandoned
Array ( [id] => 18894205 [patent_doc_number] => 20240009690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => GARDENING SPRINKLER [patent_app_type] => utility [patent_app_number] => 17/858881 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2404 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 498 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17858881 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858881
GARDENING SPRINKLER Jul 5, 2022 Abandoned
Array ( [id] => 17930483 [patent_doc_number] => 20220325608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => Turbine Engine Cleaning and Protection System [patent_app_type] => utility [patent_app_number] => 17/843556 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10913 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17843556 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843556
Turbine Engine Cleaning and Protection System Jun 16, 2022 Pending
Array ( [id] => 18076359 [patent_doc_number] => 20220401971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => Spraying Device [patent_app_type] => utility [patent_app_number] => 17/843405 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2038 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17843405 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843405
Spraying Device Jun 16, 2022 Abandoned
Array ( [id] => 18829868 [patent_doc_number] => 20230398392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => SMART FIRE DETECTION SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/838919 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17838919 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/838919
SMART FIRE DETECTION SYSTEMS AND METHODS Jun 12, 2022 Pending
Array ( [id] => 18829867 [patent_doc_number] => 20230398391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => AUTOMATED FIRE SUPPRESSION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/806548 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2028 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17806548 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/806548
AUTOMATED FIRE SUPPRESSION SYSTEM Jun 12, 2022 Abandoned
Array ( [id] => 18829867 [patent_doc_number] => 20230398391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => AUTOMATED FIRE SUPPRESSION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/806548 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2028 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17806548 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/806548
AUTOMATED FIRE SUPPRESSION SYSTEM Jun 12, 2022 Abandoned
Array ( [id] => 17910301 [patent_doc_number] => 20220312695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => IRRIGATION DEVICE HAVING ROTATABLE SUPPORTS [patent_app_type] => utility [patent_app_number] => 17/830530 [patent_app_country] => US [patent_app_date] => 2022-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3587 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 17830530 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/830530
Irrigation device having rotatable supports Jun 1, 2022 Issued
Array ( [id] => 20402551 [patent_doc_number] => 12492522 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => System for applying snow and ice removal and traction-improving products [patent_app_type] => utility [patent_app_number] => 17/827345 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827345 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827345
System for applying snow and ice removal and traction-improving products May 26, 2022 Issued
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