Search

David J. Walczak

Examiner (ID: 10606, Phone: (571)272-4895 , Office: P/3754 )

Most Active Art Unit
3754
Art Unit(s)
3754, 2403, 3105, 2832, 2899, 3751
Total Applications
4760
Issued Applications
3699
Pending Applications
263
Abandoned Applications
828

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20586108 [patent_doc_number] => 20260071700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => PORTABLE WATER CARRIER PUMP ADAPTER AND KIT [patent_app_type] => utility [patent_app_number] => 19/392595 [patent_app_country] => US [patent_app_date] => 2025-11-18 [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] => -18 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19392595 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/392595
PORTABLE WATER CARRIER PUMP ADAPTER AND KIT Nov 17, 2025 Pending
Array ( [id] => 20517117 [patent_doc_number] => 20260041220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => COSMETIC DISPENSER [patent_app_type] => utility [patent_app_number] => 19/363456 [patent_app_country] => US [patent_app_date] => 2025-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1188 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19363456 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/363456
COSMETIC DISPENSER Oct 19, 2025 Pending
Array ( [id] => 20499546 [patent_doc_number] => 20260029004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => SYSTEM, METHOD, APPARATUS, DEVICE AND KIT FOR CONTAINING OIL DURING A HYDRAULIC PURGE [patent_app_type] => utility [patent_app_number] => 19/342935 [patent_app_country] => US [patent_app_date] => 2025-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19342935 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/342935
SYSTEM, METHOD, APPARATUS, DEVICE AND KIT FOR CONTAINING OIL DURING A HYDRAULIC PURGE Sep 28, 2025 Pending
Array ( [id] => 20348048 [patent_doc_number] => 20250344900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => Oil-Impregnated Wipe and Method for Seasoning Cast Iron and Carbon Steel Cookware [patent_app_type] => utility [patent_app_number] => 19/274245 [patent_app_country] => US [patent_app_date] => 2025-07-18 [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] => -18 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19274245 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/274245
Oil-Impregnated Wipe and Method for Seasoning Cast Iron and Carbon Steel Cookware Jul 17, 2025 Pending
Array ( [id] => 20286592 [patent_doc_number] => 20250311835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => PROTECTIVE CASE [patent_app_type] => utility [patent_app_number] => 19/172196 [patent_app_country] => US [patent_app_date] => 2025-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1174 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19172196 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/172196
PROTECTIVE CASE Apr 6, 2025 Pending
Array ( [id] => 20287572 [patent_doc_number] => 20250312815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => HOT MELT ADHESIVE LEVEL SENSING DEVICE AND SYSTEM [patent_app_type] => utility [patent_app_number] => 19/097722 [patent_app_country] => US [patent_app_date] => 2025-04-01 [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] => -17 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19097722 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/097722
HOT MELT ADHESIVE LEVEL SENSING DEVICE AND SYSTEM Mar 31, 2025 Pending
Array ( [id] => 20180393 [patent_doc_number] => 20250264351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => MEASURED FLUID DISPENSER WITH ROTATABLE FILLABLE VOLUMES [patent_app_type] => utility [patent_app_number] => 19/055374 [patent_app_country] => US [patent_app_date] => 2025-02-17 [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] => -19 [patent_words_short_claim] => 540 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19055374 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/055374
MEASURED FLUID DISPENSER WITH ROTATABLE FILLABLE VOLUMES Feb 16, 2025 Pending
Array ( [id] => 20022380 [patent_doc_number] => 20250160602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => ANCHORING AND RELEASE SYSTEM TO SECURE A LIQUID RELEASING TUBE INTO A LOW-FLOW DEVICE [patent_app_type] => utility [patent_app_number] => 19/032440 [patent_app_country] => US [patent_app_date] => 2025-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1170 [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] => 19032440 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/032440
Anchoring and release system to secure a liquid releasing tube into a low-flow device Jan 19, 2025 Issued
Array ( [id] => 20864830 [patent_doc_number] => 12691704 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-28 [patent_title] => Non-sealing fluid-based writing instrument and non-drying writing fluid [patent_app_type] => utility [patent_app_number] => 18/984242 [patent_app_country] => US [patent_app_date] => 2024-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 878 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18984242 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/984242
NON-SEALING FLUID-BASED WRITING INSTRUMENT AND NON-DRYING WRITING FLUID Dec 16, 2024 Issued
18/874002 MECHANICAL CARBONATED BEVERAGE DISPENSING SYSTEM Dec 10, 2024 Pending
Array ( [id] => 20150235 [patent_doc_number] => 20250250073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => LID ASSEMBLY FOR A CONTAINER [patent_app_type] => utility [patent_app_number] => 18/976188 [patent_app_country] => US [patent_app_date] => 2024-12-10 [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] => -8 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18976188 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/976188
LID ASSEMBLY FOR A CONTAINER Dec 9, 2024 Pending
Array ( [id] => 19847840 [patent_doc_number] => 20250093191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => Filling Device [patent_app_type] => utility [patent_app_number] => 18/970084 [patent_app_country] => US [patent_app_date] => 2024-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3021 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18970084 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/970084
Filling Device Dec 4, 2024 Pending
Array ( [id] => 20031371 [patent_doc_number] => 20250169593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => COSMETIC DISPENSER [patent_app_type] => utility [patent_app_number] => 18/967119 [patent_app_country] => US [patent_app_date] => 2024-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1038 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18967119 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/967119
Cosmetic dispenser Dec 2, 2024 Issued
Array ( [id] => 20031699 [patent_doc_number] => 20250169921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => DISPENSER ASSEMBLY WITH SYRINGE AND CAPSULE [patent_app_type] => utility [patent_app_number] => 18/962016 [patent_app_country] => US [patent_app_date] => 2024-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18962016 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/962016
DISPENSER ASSEMBLY WITH SYRINGE AND CAPSULE Nov 26, 2024 Pending
Array ( [id] => 20042167 [patent_doc_number] => 20250180389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => ADJUSTABLE ROTARY CUP [patent_app_type] => utility [patent_app_number] => 18/959856 [patent_app_country] => US [patent_app_date] => 2024-11-26 [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] => -16 [patent_words_short_claim] => 431 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18959856 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/959856
ADJUSTABLE ROTARY CUP Nov 25, 2024 Pending
Array ( [id] => 20736556 [patent_doc_number] => 20260145848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-28 [patent_title] => SEALING UNIT, CONTAINER AND ASSEMBLY COMPRISING THE SAME, AND MANUFACTURING METHOD FOR SEALING UNIT [patent_app_type] => utility [patent_app_number] => 18/959232 [patent_app_country] => US [patent_app_date] => 2024-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1156 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18959232 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/959232
SEALING UNIT, CONTAINER AND ASSEMBLY COMPRISING THE SAME, AND MANUFACTURING METHOD FOR SEALING UNIT Nov 24, 2024 Pending
Array ( [id] => 20083086 [patent_doc_number] => 20250213022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => DEVICES FOR APPLYING COMPOSITIONS TO EYELASHES [patent_app_type] => utility [patent_app_number] => 18/945960 [patent_app_country] => US [patent_app_date] => 2024-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18945960 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/945960
DEVICES FOR APPLYING COMPOSITIONS TO EYELASHES Nov 12, 2024 Pending
Array ( [id] => 20134382 [patent_doc_number] => 20250241426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => METHODS FOR APPLYING COMPOSITIONS TO EYELASHES [patent_app_type] => utility [patent_app_number] => 18/946102 [patent_app_country] => US [patent_app_date] => 2024-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2998 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18946102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/946102
METHODS FOR APPLYING COMPOSITIONS TO EYELASHES Nov 12, 2024 Pending
Array ( [id] => 20432241 [patent_doc_number] => 12501994 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Personal care product dispensing system [patent_app_type] => utility [patent_app_number] => 18/946510 [patent_app_country] => US [patent_app_date] => 2024-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 881 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18946510 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/946510
Personal care product dispensing system Nov 12, 2024 Issued
Array ( [id] => 20676260 [patent_doc_number] => 20260115069 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-30 [patent_title] => TOILET LIFT WITH INTELLIGENT MONITORING [patent_app_type] => utility [patent_app_number] => 18/941917 [patent_app_country] => US [patent_app_date] => 2024-11-08 [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] => -12 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18941917 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/941917
TOILET LIFT WITH INTELLIGENT MONITORING Nov 7, 2024 Pending
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