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] => 19279230 [patent_doc_number] => 20240215701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => COLOR CHANGING COSMETIC TOOL [patent_app_type] => utility [patent_app_number] => 18/607197 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4901 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18607197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607197
Color changing cosmetic tool Mar 14, 2024 Issued
Array ( [id] => 20864591 [patent_doc_number] => 12691463 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-28 [patent_title] => Liquid droplet forming apparatus [patent_app_type] => utility [patent_app_number] => 18/605946 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3362 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18605946 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/605946
LIQUID DROPLET FORMING APPARATUS Mar 14, 2024 Pending
Array ( [id] => 19729739 [patent_doc_number] => 12207723 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-28 [patent_title] => Lotion dispensing assembly [patent_app_type] => utility [patent_app_number] => 18/604105 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2665 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18604105 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604105
Lotion dispensing assembly Mar 12, 2024 Issued
Array ( [id] => 19446668 [patent_doc_number] => 20240306798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => WIPER EQUIPPED WITH AN INSERT [patent_app_type] => utility [patent_app_number] => 18/603644 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18603644 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603644
Wiper equipped with an insert Mar 12, 2024 Issued
Array ( [id] => 19909776 [patent_doc_number] => 12285967 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Writing instrument and pen tip part [patent_app_type] => utility [patent_app_number] => 18/602723 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 1213 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18602723 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/602723
Writing instrument and pen tip part Mar 11, 2024 Issued
Array ( [id] => 19430284 [patent_doc_number] => 20240298782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => BIODEGRADABLE LIPSTICK APPLICATOR [patent_app_type] => utility [patent_app_number] => 18/600171 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18600171 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/600171
BIODEGRADABLE LIPSTICK APPLICATOR Mar 7, 2024 Abandoned
Array ( [id] => 19722181 [patent_doc_number] => 20250024932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => REFILLABLE STICK-TYPE CONTENT CONTAINER [patent_app_type] => utility [patent_app_number] => 18/599177 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6126 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18599177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/599177
Refillable stick-type content container Mar 6, 2024 Issued
Array ( [id] => 19480137 [patent_doc_number] => 20240328179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => Concrete Pouring Device [patent_app_type] => utility [patent_app_number] => 18/597090 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597090
Concrete Pouring Device Mar 5, 2024 Abandoned
Array ( [id] => 19550588 [patent_doc_number] => 12134281 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Writing instrument [patent_app_type] => utility [patent_app_number] => 18/593289 [patent_app_country] => US [patent_app_date] => 2024-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 35 [patent_no_of_words] => 11509 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [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] => 18593289 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/593289
Writing instrument Feb 29, 2024 Issued
Array ( [id] => 19225053 [patent_doc_number] => 12004682 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-11 [patent_title] => Cookware seasoning wipe [patent_app_type] => utility [patent_app_number] => 18/443507 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3671 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443507 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443507
Cookware seasoning wipe Feb 15, 2024 Issued
Array ( [id] => 19401869 [patent_doc_number] => 20240285380 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => DENTAL CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 18/434460 [patent_app_country] => US [patent_app_date] => 2024-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3629 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18434460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/434460
DENTAL CLEANING DEVICE Feb 5, 2024 Pending
Array ( [id] => 19202509 [patent_doc_number] => 20240174408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => DISPENSING TUBE WITH SHOULDER TIP APPLICATOR & SUCTION BASED LID [patent_app_type] => utility [patent_app_number] => 18/428324 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3166 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18428324 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/428324
DISPENSING TUBE WITH SHOULDER TIP APPLICATOR & SUCTION BASED LID Jan 30, 2024 Pending
Array ( [id] => 20608140 [patent_doc_number] => 12583726 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Mounting flange [patent_app_type] => utility [patent_app_number] => 18/417064 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417064
Mounting flange Jan 18, 2024 Issued
Array ( [id] => 19578384 [patent_doc_number] => 12144463 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-19 [patent_title] => Grill grate-oiling device [patent_app_type] => utility [patent_app_number] => 18/414608 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3399 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18414608 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/414608
Grill grate-oiling device Jan 16, 2024 Issued
Array ( [id] => 19298861 [patent_doc_number] => 20240227428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => BIODEGRADABLE MARKER PEN [patent_app_type] => utility [patent_app_number] => 18/407580 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3144 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18407580 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407580
Biodegradable marker pen Jan 8, 2024 Issued
Array ( [id] => 19882611 [patent_doc_number] => 12268289 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Bottle for packaging and applying a cosmetic product including a porous application tip [patent_app_type] => utility [patent_app_number] => 18/407934 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 5304 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18407934 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407934
Bottle for packaging and applying a cosmetic product including a porous application tip Jan 8, 2024 Issued
Array ( [id] => 19816483 [patent_doc_number] => 20250074690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => Valve Cup for Pressure Vessel [patent_app_type] => utility [patent_app_number] => 18/726348 [patent_app_country] => US [patent_app_date] => 2024-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8395 [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] => 18726348 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/726348
Valve Cup for Pressure Vessel Jan 3, 2024 Pending
Array ( [id] => 20084167 [patent_doc_number] => 20250214103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => MATERIAL DISPENSING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/402106 [patent_app_country] => US [patent_app_date] => 2024-01-02 [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] => -14 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18402106 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402106
Material dispensing system Jan 1, 2024 Issued
Array ( [id] => 20576859 [patent_doc_number] => 12569093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Controlled dentifrice dispensing device [patent_app_type] => utility [patent_app_number] => 18/401967 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 1201 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18401967 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/401967
Controlled dentifrice dispensing device Jan 1, 2024 Issued
Array ( [id] => 19331922 [patent_doc_number] => 20240246352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => Stylus pen refill size improvement [patent_app_type] => utility [patent_app_number] => 18/396622 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1551 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18396622 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396622
Stylus pen refill size improvement Dec 25, 2023 Abandoned
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