Search

Allen C. Chein

Examiner (ID: 12734, Phone: (571)270-7985 , Office: P/3627 )

Most Active Art Unit
3627
Art Unit(s)
3687, 3627
Total Applications
508
Issued Applications
207
Pending Applications
83
Abandoned Applications
239

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16969618 [patent_doc_number] => 11065569 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-20 [patent_title] => Manifold arrangement [patent_app_type] => utility [patent_app_number] => 16/551305 [patent_app_country] => US [patent_app_date] => 2019-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 9656 [patent_no_of_claims] => 4 [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] => 16551305 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/551305
Manifold arrangement Aug 25, 2019 Issued
Array ( [id] => 17890010 [patent_doc_number] => 11452957 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-27 [patent_title] => Safety filter snap fit system [patent_app_type] => utility [patent_app_number] => 16/538939 [patent_app_country] => US [patent_app_date] => 2019-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 40 [patent_no_of_words] => 5871 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16538939 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/538939
Safety filter snap fit system Aug 12, 2019 Issued
Array ( [id] => 17406291 [patent_doc_number] => 11247154 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-15 [patent_title] => Truncated filter capsule [patent_app_type] => utility [patent_app_number] => 16/510332 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 55 [patent_no_of_words] => 11581 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16510332 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/510332
Truncated filter capsule Jul 11, 2019 Issued
Array ( [id] => 18201415 [patent_doc_number] => 11583789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-21 [patent_title] => Filter assembly [patent_app_type] => utility [patent_app_number] => 16/508339 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 10865 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16508339 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/508339
Filter assembly Jul 10, 2019 Issued
Array ( [id] => 17663711 [patent_doc_number] => 11357382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-14 [patent_title] => Bucket and cleaning system which comprises such a bucket [patent_app_type] => utility [patent_app_number] => 17/258461 [patent_app_country] => US [patent_app_date] => 2019-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4990 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17258461 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/258461
Bucket and cleaning system which comprises such a bucket Jun 30, 2019 Issued
Array ( [id] => 16539759 [patent_doc_number] => 20200406172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => WATER FILTERING AND RECYCLING SYSTEM FOR ICE MAKING APPLIANCE [patent_app_type] => utility [patent_app_number] => 16/456283 [patent_app_country] => US [patent_app_date] => 2019-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6642 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16456283 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/456283
Water filtering and recycling system for ice making appliance Jun 27, 2019 Issued
Array ( [id] => 17281604 [patent_doc_number] => 11198623 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-14 [patent_title] => Water filtration container with a centralized handle and in-handle and in-reservoir filtration features [patent_app_type] => utility [patent_app_number] => 16/452482 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7579 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16452482 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/452482
Water filtration container with a centralized handle and in-handle and in-reservoir filtration features Jun 24, 2019 Issued
Array ( [id] => 16511883 [patent_doc_number] => 20200391140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => Filter Element [patent_app_type] => utility [patent_app_number] => 16/442222 [patent_app_country] => US [patent_app_date] => 2019-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3697 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16442222 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/442222
Filter element Jun 13, 2019 Issued
Array ( [id] => 16512757 [patent_doc_number] => 20200392015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => WATER FILTER PITCHER WITH SENSING CAPABILITIES [patent_app_type] => utility [patent_app_number] => 16/441191 [patent_app_country] => US [patent_app_date] => 2019-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3467 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16441191 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/441191
Water filter pitcher with sensing capabilities Jun 13, 2019 Issued
Array ( [id] => 17035481 [patent_doc_number] => 20210252439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => WATER-TREATING CERAMIC FILTER UNIT [patent_app_type] => utility [patent_app_number] => 16/973549 [patent_app_country] => US [patent_app_date] => 2019-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16973549 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/973549
Water-treating ceramic filter unit Jun 11, 2019 Issued
Array ( [id] => 18997026 [patent_doc_number] => 11913862 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Core-shell particles, and method for separating and purifying substance to be separated using core-shell particles [patent_app_type] => utility [patent_app_number] => 16/972857 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15217 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16972857 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/972857
Core-shell particles, and method for separating and purifying substance to be separated using core-shell particles Jun 6, 2019 Issued
Array ( [id] => 17922687 [patent_doc_number] => 11465919 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [patent_title] => Conical showerhead and filter [patent_app_type] => utility [patent_app_number] => 16/425738 [patent_app_country] => US [patent_app_date] => 2019-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3436 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 16425738 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/425738
Conical showerhead and filter May 28, 2019 Issued
Array ( [id] => 16990623 [patent_doc_number] => 20210229043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => Membrane for Capillary Microfiltration [patent_app_type] => utility [patent_app_number] => 17/053848 [patent_app_country] => US [patent_app_date] => 2019-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17053848 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/053848
Membrane for Capillary Microfiltration May 28, 2019 Pending
Array ( [id] => 16990623 [patent_doc_number] => 20210229043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => Membrane for Capillary Microfiltration [patent_app_type] => utility [patent_app_number] => 17/053848 [patent_app_country] => US [patent_app_date] => 2019-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17053848 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/053848
Membrane for Capillary Microfiltration May 28, 2019 Pending
Array ( [id] => 16026325 [patent_doc_number] => 10675564 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-06-09 [patent_title] => Filter system [patent_app_type] => utility [patent_app_number] => 16/423637 [patent_app_country] => US [patent_app_date] => 2019-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4446 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16423637 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/423637
Filter system May 27, 2019 Issued
Array ( [id] => 15175947 [patent_doc_number] => 20190358565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => FUEL FILTER FOR CLEANING FUEL FOR AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/420139 [patent_app_country] => US [patent_app_date] => 2019-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16420139 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/420139
Fuel filter for cleaning fuel for an internal combustion engine May 21, 2019 Issued
Array ( [id] => 17921857 [patent_doc_number] => 11465080 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-11 [patent_title] => Wastewater treatment system outlet filter cleaner [patent_app_type] => utility [patent_app_number] => 16/414343 [patent_app_country] => US [patent_app_date] => 2019-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 8617 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16414343 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/414343
Wastewater treatment system outlet filter cleaner May 15, 2019 Issued
Array ( [id] => 17540114 [patent_doc_number] => 11305219 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Filter system and filter element [patent_app_type] => utility [patent_app_number] => 16/409045 [patent_app_country] => US [patent_app_date] => 2019-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 8128 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 406 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16409045 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/409045
Filter system and filter element May 9, 2019 Issued
Array ( [id] => 17005829 [patent_doc_number] => 20210236990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => METHOD FOR ENRICHING AQUEOUS ETHANOLIC SOLUTION IN ETHANOL [patent_app_type] => utility [patent_app_number] => 17/053911 [patent_app_country] => US [patent_app_date] => 2019-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6118 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17053911 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/053911
METHOD FOR ENRICHING AQUEOUS ETHANOLIC SOLUTION IN ETHANOL May 7, 2019 Abandoned
Array ( [id] => 16806503 [patent_doc_number] => 20210129056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => FILTER CARTRIDGE LOCKING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/053497 [patent_app_country] => US [patent_app_date] => 2019-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3429 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17053497 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/053497
FILTER CARTRIDGE LOCKING ASSEMBLY May 6, 2019 Abandoned
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