Search

Douglas M. Willis

Examiner (ID: 12008, Phone: (571)270-5757 , Office: P/1624 )

Most Active Art Unit
1624
Art Unit(s)
1624
Total Applications
2476
Issued Applications
1792
Pending Applications
142
Abandoned Applications
578

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18636942 [patent_doc_number] => 11761531 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Filter system for a wind turbine, a wind turbine having a filter system and method for changing an oil filter of a filter system [patent_app_type] => utility [patent_app_number] => 17/239201 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 8293 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17239201 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/239201
Filter system for a wind turbine, a wind turbine having a filter system and method for changing an oil filter of a filter system Apr 22, 2021 Issued
Array ( [id] => 17184216 [patent_doc_number] => 20210331101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => LIQUID ELIMINATING CARTRIDGE [patent_app_type] => utility [patent_app_number] => 17/238827 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2147 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17238827 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/238827
LIQUID ELIMINATING CARTRIDGE Apr 22, 2021 Abandoned
Array ( [id] => 18816337 [patent_doc_number] => 20230390677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => FILTER MODULE [patent_app_type] => utility [patent_app_number] => 18/016327 [patent_app_country] => US [patent_app_date] => 2021-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2595 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18016327 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/016327
Filter module Apr 21, 2021 Issued
Array ( [id] => 18360576 [patent_doc_number] => 20230142167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => A METHOD OF SINGLE STRAND RNA PURIFICATION EMPLOYING AN ANION EXCHANGER [patent_app_type] => utility [patent_app_number] => 17/918242 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17918242 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/918242
A METHOD OF SINGLE STRAND RNA PURIFICATION EMPLOYING AN ANION EXCHANGER Apr 15, 2021 Pending
Array ( [id] => 18510365 [patent_doc_number] => 20230226473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => DEPTH FILTER [patent_app_type] => utility [patent_app_number] => 17/915482 [patent_app_country] => US [patent_app_date] => 2021-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9893 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17915482 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/915482
DEPTH FILTER Apr 1, 2021 Abandoned
Array ( [id] => 17124829 [patent_doc_number] => 20210299597 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => FUEL FILTER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/210692 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6710 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17210692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/210692
Fuel filter assembly Mar 23, 2021 Issued
Array ( [id] => 17124830 [patent_doc_number] => 20210299598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => FUEL FILTER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/210711 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 361 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17210711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/210711
Fuel filter assembly Mar 23, 2021 Issued
Array ( [id] => 18383631 [patent_doc_number] => 11654397 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Filter cassette article, and filter comprising same [patent_app_type] => utility [patent_app_number] => 17/208225 [patent_app_country] => US [patent_app_date] => 2021-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 48 [patent_no_of_words] => 12160 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 437 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17208225 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/208225
Filter cassette article, and filter comprising same Mar 21, 2021 Issued
Array ( [id] => 17733643 [patent_doc_number] => 20220219102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => COVER FOR FILTER CARTRIDGE [patent_app_type] => utility [patent_app_number] => 17/206084 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17206084 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/206084
Cover for filter cartridge Mar 17, 2021 Issued
Array ( [id] => 19338717 [patent_doc_number] => 12048888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Pleated filtration media, media packs, filter elements, and methods for filtering fluids [patent_app_type] => utility [patent_app_number] => 17/201623 [patent_app_country] => US [patent_app_date] => 2021-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 38 [patent_no_of_words] => 21957 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17201623 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/201623
Pleated filtration media, media packs, filter elements, and methods for filtering fluids Mar 14, 2021 Issued
Array ( [id] => 20714413 [patent_doc_number] => 12629638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Filter assembly with electrode [patent_app_type] => utility [patent_app_number] => 17/906286 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17906286 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/906286
Filter assembly with electrode Mar 8, 2021 Issued
Array ( [id] => 17110496 [patent_doc_number] => 20210291093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => Fluid Filter Apparatus and Method [patent_app_type] => utility [patent_app_number] => 17/194969 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17194969 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/194969
Fluid Filter Apparatus and Method Mar 7, 2021 Abandoned
Array ( [id] => 16914327 [patent_doc_number] => 20210187419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => LIQUID FILTER ASSEMBLIES; FEATURES; COMPONENTS; AND, METHODS [patent_app_type] => utility [patent_app_number] => 17/194935 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17194935 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/194935
Liquid filter assemblies; features; components; and, methods Mar 7, 2021 Issued
Array ( [id] => 18792934 [patent_doc_number] => 11826671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Fuel pre-filter module, filter element and filter head with a priming pump [patent_app_type] => utility [patent_app_number] => 17/185311 [patent_app_country] => US [patent_app_date] => 2021-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 6813 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17185311 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/185311
Fuel pre-filter module, filter element and filter head with a priming pump Feb 24, 2021 Issued
Array ( [id] => 17183988 [patent_doc_number] => 20210330873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => PLASMA/CELL CONCENTRATOR APPARATUS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/179844 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7230 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 17179844 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/179844
Plasma/cell concentrator apparatus and methods Feb 18, 2021 Issued
Array ( [id] => 17082848 [patent_doc_number] => 20210277854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => Filter Assembly [patent_app_type] => utility [patent_app_number] => 17/175887 [patent_app_country] => US [patent_app_date] => 2021-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4293 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17175887 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/175887
Filter assembly Feb 14, 2021 Issued
Array ( [id] => 18254474 [patent_doc_number] => 20230081513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => INSERT-MOLDED FILTER AND PRODUCTION METHOD FOR INSERT-MOLDED FILTER [patent_app_type] => utility [patent_app_number] => 17/801333 [patent_app_country] => US [patent_app_date] => 2021-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17801333 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/801333
Insert-molded filter and production method for insert-molded filter Feb 9, 2021 Issued
Array ( [id] => 20094379 [patent_doc_number] => 20250224315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => AGRICULTURAL SAMPLING SYSTEM AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 17/821888 [patent_app_country] => US [patent_app_date] => 2021-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5683 [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] => 17821888 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/821888
AGRICULTURAL SAMPLING SYSTEM AND RELATED METHODS Feb 9, 2021 Pending
Array ( [id] => 17035474 [patent_doc_number] => 20210252432 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => FILTER PLATE ASSEMBLY FOR FILTER [patent_app_type] => utility [patent_app_number] => 17/164737 [patent_app_country] => US [patent_app_date] => 2021-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12704 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17164737 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/164737
FILTER PLATE ASSEMBLY FOR FILTER Jan 31, 2021 Abandoned
Array ( [id] => 19150390 [patent_doc_number] => 11975280 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Oil separator [patent_app_type] => utility [patent_app_number] => 17/162883 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 9574 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17162883 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/162883
Oil separator Jan 28, 2021 Issued
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