
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 20633044
[patent_doc_number] => 12593907
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-04-07
[patent_title] => Stick-type product with heating function
[patent_app_type] => utility
[patent_app_number] => 18/366304
[patent_app_country] => US
[patent_app_date] => 2023-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 11
[patent_no_of_words] => 3146
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 1
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18366304
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/366304 | Stick-type product with heating function | Aug 6, 2023 | Issued |
Array
(
[id] => 20163663
[patent_doc_number] => 20250255709
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-08-14
[patent_title] => APPLICATION NOZZLE FOR DISCHARGING A DENTAL ACTIVE SUBSTANCE IN THE ORAL CAVITY OF A PATIENT, AND ACTIVE SUBSTANCE APPLICATOR HAVING SUCH AN APPLICATION NOZZLE
[patent_app_type] => utility
[patent_app_number] => 19/099907
[patent_app_country] => US
[patent_app_date] => 2023-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10317
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -21
[patent_words_short_claim] => 86
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19099907
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/099907 | Application nozzle for discharging a dental active substance in the oral cavity of a patient, and active substance applicator having such an application nozzle | Jul 31, 2023 | Issued |
Array
(
[id] => 18954464
[patent_doc_number] => 20240042791
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-08
[patent_title] => WRITING SYSTEM HAVING MAGNETIC WRITING TOOL AND MAGNETIC SUPPORT SURFACE THEREFOR
[patent_app_type] => utility
[patent_app_number] => 18/363196
[patent_app_country] => US
[patent_app_date] => 2023-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6263
[patent_no_of_claims] => 0
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/363196 | Writing system having magnetic writing tool and magnetic support surface therefor | Jul 31, 2023 | Issued |
Array
(
[id] => 19456370
[patent_doc_number] => 12096833
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-09-24
[patent_title] => Reusable cartridge systems, devices, and methods
[patent_app_type] => utility
[patent_app_number] => 18/361749
[patent_app_country] => US
[patent_app_date] => 2023-07-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 13
[patent_no_of_words] => 11573
[patent_no_of_claims] => 20
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/361749 | Reusable cartridge systems, devices, and methods | Jul 27, 2023 | Issued |
Array
(
[id] => 19623505
[patent_doc_number] => 12162304
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2024-12-10
[patent_title] => Writing implement holder
[patent_app_type] => utility
[patent_app_number] => 18/226377
[patent_app_country] => US
[patent_app_date] => 2023-07-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/226377 | Writing implement holder | Jul 25, 2023 | Issued |
Array
(
[id] => 18878338
[patent_doc_number] => 20240001707
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-01-04
[patent_title] => MULTI-PEN HAVING SHARP KNOB CONTAINING A THROUGH HOLE FOR SHARP LEAD
[patent_app_type] => utility
[patent_app_number] => 18/358901
[patent_app_country] => US
[patent_app_date] => 2023-07-25
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/358901 | Multi-pen having sharp knob containing a through hole for sharp lead | Jul 24, 2023 | Issued |
Array
(
[id] => 19665592
[patent_doc_number] => 12178310
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-12-31
[patent_title] => Personal care product dispensing system
[patent_app_type] => utility
[patent_app_number] => 18/357317
[patent_app_country] => US
[patent_app_date] => 2023-07-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/357317 | Personal care product dispensing system | Jul 23, 2023 | Issued |
Array
(
[id] => 18937542
[patent_doc_number] => 20240032681
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-01
[patent_title] => Cosmetic liquid-dispensing hair edge control tool with brush, comb and hair styling tip
[patent_app_type] => utility
[patent_app_number] => 18/355758
[patent_app_country] => US
[patent_app_date] => 2023-07-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
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[patent_no_of_words] => 827
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -3
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355758
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/355758 | Cosmetic liquid-dispensing hair edge control tool with brush, comb and hair styling tip | Jul 19, 2023 | Abandoned |
Array
(
[id] => 19423291
[patent_doc_number] => 12082679
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2024-09-10
[patent_title] => Split applicator
[patent_app_type] => utility
[patent_app_number] => 18/222494
[patent_app_country] => US
[patent_app_date] => 2023-07-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 22
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/222494 | Split applicator | Jul 16, 2023 | Issued |
Array
(
[id] => 19490179
[patent_doc_number] => 12108861
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[patent_kind] => B1
[patent_issue_date] => 2024-10-08
[patent_title] => Cosmetic-dispensing spatula
[patent_app_type] => utility
[patent_app_number] => 18/352523
[patent_app_country] => US
[patent_app_date] => 2023-07-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/352523 | Cosmetic-dispensing spatula | Jul 13, 2023 | Issued |
Array
(
[id] => 19496003
[patent_doc_number] => 20240335021
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-10
[patent_title] => REFILL UNIT AND REFILLABLE STICK CONTAINER HAVING THE SAME
[patent_app_type] => utility
[patent_app_number] => 18/352027
[patent_app_country] => US
[patent_app_date] => 2023-07-13
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/352027 | Refill unit and refillable stick container having the same | Jul 12, 2023 | Issued |
Array
(
[id] => 18716025
[patent_doc_number] => 11793344
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[patent_kind] => B1
[patent_issue_date] => 2023-10-24
[patent_title] => Apparatus for sanitary and controlled dispensing of food products
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Array
(
[id] => 20486762
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[patent_title] => PROCESS WATER ANALYZER
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/995639 | PROCESS WATER ANALYZER | Jul 10, 2023 | Pending |
Array
(
[id] => 20491043
[patent_doc_number] => 12532893
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[patent_issue_date] => 2026-01-27
[patent_title] => Dispensing system for transferring chemical into a strainer basket assembly
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Array
(
[id] => 20459240
[patent_doc_number] => 20260008663
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[patent_title] => BEVERAGE DISPENSE SYSTEM
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/881589 | BEVERAGE DISPENSE SYSTEM | Jul 6, 2023 | Pending |
Array
(
[id] => 20334825
[patent_doc_number] => 20250338945
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[patent_issue_date] => 2025-11-06
[patent_title] => FORK FOR CARTRIDGE CORE, CARTRIDGE CORE, AND COSMETIC CONTAINER
[patent_app_type] => utility
[patent_app_number] => 18/870473
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/870473 | FORK FOR CARTRIDGE CORE, CARTRIDGE CORE, AND COSMETIC CONTAINER | Jun 28, 2023 | Pending |
Array
(
[id] => 18937543
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/336980 | Applicator for applying flowable materials | Jun 16, 2023 | Issued |
Array
(
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[patent_issue_date] => 2025-05-06
[patent_title] => Floor cleaning apparatus and liquid delivery assembly for use in floor cleaning apparatus
[patent_app_type] => utility
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Array
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/872332 | LIQUID DISPENSER WITH CONTROLLED DISPENSING | Jun 5, 2023 | Pending |
Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/203204 | Refill for cosmetic product receptacle and associated receptacle | May 29, 2023 | Issued |