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] => 18517877 [patent_doc_number] => 11707750 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Nozzle assembly for sprayer [patent_app_type] => utility [patent_app_number] => 17/478407 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 3331 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17478407 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/478407
Nozzle assembly for sprayer Sep 16, 2021 Issued
Array ( [id] => 18251956 [patent_doc_number] => 20230078995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => FLUID SPRAY SYSTEM TIMING CONTROL [patent_app_type] => utility [patent_app_number] => 17/447879 [patent_app_country] => US [patent_app_date] => 2021-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5313 [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] => 17447879 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/447879
Fluid spray system timing control Sep 15, 2021 Issued
Array ( [id] => 17315154 [patent_doc_number] => 20210404202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => Laminar Water Feature [patent_app_type] => utility [patent_app_number] => 17/473816 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7449 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17473816 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/473816
Laminar Water Feature Sep 12, 2021 Abandoned
Array ( [id] => 18690159 [patent_doc_number] => 20230320292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => DRIP IRRIGATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/044298 [patent_app_country] => US [patent_app_date] => 2021-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18044298 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/044298
DRIP IRRIGATION DEVICE Aug 18, 2021 Abandoned
Array ( [id] => 19164902 [patent_doc_number] => 11980784 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Air mover device and method for firefighting [patent_app_type] => utility [patent_app_number] => 17/406325 [patent_app_country] => US [patent_app_date] => 2021-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 6678 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17406325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/406325
Air mover device and method for firefighting Aug 18, 2021 Issued
Array ( [id] => 19090067 [patent_doc_number] => 11951490 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Diffuser of active agents such as insecticides, perfumes, detergents or disinfectants, and manufacturing process thereof [patent_app_type] => utility [patent_app_number] => 17/445438 [patent_app_country] => US [patent_app_date] => 2021-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3282 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17445438 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/445438
Diffuser of active agents such as insecticides, perfumes, detergents or disinfectants, and manufacturing process thereof Aug 18, 2021 Issued
Array ( [id] => 18207438 [patent_doc_number] => 20230053695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => ARRAY OF ELECTRIFIED WICKS FOR PRODUCTION OF AQUEOUS DROPLETS [patent_app_type] => utility [patent_app_number] => 17/404216 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17404216 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/404216
ARRAY OF ELECTRIFIED WICKS FOR PRODUCTION OF AQUEOUS DROPLETS Aug 16, 2021 Abandoned
Array ( [id] => 18635228 [patent_doc_number] => 11759802 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Garden sprinkler [patent_app_type] => utility [patent_app_number] => 17/403770 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 1858 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 435 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17403770 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/403770
Garden sprinkler Aug 15, 2021 Issued
Array ( [id] => 19042540 [patent_doc_number] => 11931613 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Noise reducing fire suppression nozzles [patent_app_type] => utility [patent_app_number] => 17/403772 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 3780 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17403772 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/403772
Noise reducing fire suppression nozzles Aug 15, 2021 Issued
Array ( [id] => 17411966 [patent_doc_number] => 20220046870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => CHANNEL-LESS DRIP IRRIGATION EMITTERS AND METHODS OF USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/402234 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17402234 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/402234
Channel-less drip irrigation emitters and methods of using the same Aug 12, 2021 Issued
Array ( [id] => 17411965 [patent_doc_number] => 20220046869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => SYSTEMS AND METHODS FOR DESIGNING AND MODELING PRESSURE-COMPENSATING DRIP EMITTERS, AND IMPROVED DEVICES IN VIEW OF THE SAME [patent_app_type] => utility [patent_app_number] => 17/402209 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19112 [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] => 17402209 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/402209
Systems and methods for designing and modeling pressure-compensating drip emitters, and improved devices in view of the same Aug 12, 2021 Issued
Array ( [id] => 19273593 [patent_doc_number] => 12023701 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Energy gathering device and ultrasonic humidifier [patent_app_type] => utility [patent_app_number] => 17/399073 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3210 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17399073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/399073
Energy gathering device and ultrasonic humidifier Aug 10, 2021 Issued
Array ( [id] => 18611319 [patent_doc_number] => 20230278050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => FLUID RESERVOIR HAVING AN OPTIONALLY INSERTABLE INNER BAG [patent_app_type] => utility [patent_app_number] => 18/017933 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18017933 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017933
FLUID RESERVOIR HAVING AN OPTIONALLY INSERTABLE INNER BAG Jul 28, 2021 Pending
Array ( [id] => 19921946 [patent_doc_number] => 12296208 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Extinguishing device for fitting on the housing of an electrical unit, on a monument in the cabin of an aircraft or in a cavity in the structure of an aircraft [patent_app_type] => utility [patent_app_number] => 17/385757 [patent_app_country] => US [patent_app_date] => 2021-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1174 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17385757 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/385757
Extinguishing device for fitting on the housing of an electrical unit, on a monument in the cabin of an aircraft or in a cavity in the structure of an aircraft Jul 25, 2021 Issued
Array ( [id] => 17442417 [patent_doc_number] => 20220062922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => WORK VEHICLE SPRAYER SYSTEM AND METHOD WITH SWITCHING NOZZLE APPARATUS [patent_app_type] => utility [patent_app_number] => 17/383071 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21354 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17383071 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/383071
Work vehicle sprayer system and method with switching nozzle apparatus Jul 21, 2021 Issued
Array ( [id] => 18852134 [patent_doc_number] => 11849679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Emitter and drip irrigation tube [patent_app_type] => utility [patent_app_number] => 17/383219 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 44 [patent_no_of_words] => 11674 [patent_no_of_claims] => 5 [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] => 17383219 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/383219
Emitter and drip irrigation tube Jul 21, 2021 Issued
Array ( [id] => 17442435 [patent_doc_number] => 20220062940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => WORK VEHICLE SPRAYER SYSTEM AND METHOD WITH PINCHING NOZZLE APPARATUS [patent_app_type] => utility [patent_app_number] => 17/383027 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21373 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17383027 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/383027
Work vehicle sprayer system and method with pinching nozzle apparatus Jul 21, 2021 Issued
Array ( [id] => 19312163 [patent_doc_number] => 12037967 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Fuel injector having nozzle spray holes with grooves [patent_app_type] => utility [patent_app_number] => 17/381251 [patent_app_country] => US [patent_app_date] => 2021-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 10 [patent_no_of_words] => 3441 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17381251 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/381251
Fuel injector having nozzle spray holes with grooves Jul 20, 2021 Issued
Array ( [id] => 20413337 [patent_doc_number] => 12496600 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => High-pressure cleaning device [patent_app_type] => utility [patent_app_number] => 17/371339 [patent_app_country] => US [patent_app_date] => 2021-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2251 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [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] => 17371339 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/371339
High-pressure cleaning device Jul 8, 2021 Issued
Array ( [id] => 17185690 [patent_doc_number] => 20210332575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => SANITARY UNIT [patent_app_type] => utility [patent_app_number] => 17/369142 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8830 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17369142 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369142
SANITARY UNIT Jul 6, 2021 Abandoned
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