
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |