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] => 17937360 [patent_doc_number] => 11471794 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Filter cartridge for a whole house water filtering system [patent_app_type] => utility [patent_app_number] => 16/782836 [patent_app_country] => US [patent_app_date] => 2020-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 4225 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16782836 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/782836
Filter cartridge for a whole house water filtering system Feb 4, 2020 Issued
Array ( [id] => 15896105 [patent_doc_number] => 20200147571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => METHOD OF CLEANING SPENT CATALYST MATERIAL [patent_app_type] => utility [patent_app_number] => 16/738983 [patent_app_country] => US [patent_app_date] => 2020-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16738983 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/738983
Method of cleaning spent catalyst material Jan 8, 2020 Issued
Array ( [id] => 16799312 [patent_doc_number] => 10994229 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-05-04 [patent_title] => Water filtration system [patent_app_type] => utility [patent_app_number] => 16/735615 [patent_app_country] => US [patent_app_date] => 2020-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 49 [patent_no_of_words] => 4797 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16735615 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/735615
Water filtration system Jan 5, 2020 Issued
Array ( [id] => 16158085 [patent_doc_number] => 20200217275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => Filter Medium and Production Method, Filter Element, Use of the Filter Element, and Water Injection System [patent_app_type] => utility [patent_app_number] => 16/734490 [patent_app_country] => US [patent_app_date] => 2020-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16734490 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/734490
Filter Medium and Production Method, Filter Element, Use of the Filter Element, and Water Injection System Jan 5, 2020 Abandoned
Array ( [id] => 15863753 [patent_doc_number] => 20200139280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => WATER PURIFYING FILTER [patent_app_type] => utility [patent_app_number] => 16/728597 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16728597 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/728597
Water purifying filter Dec 26, 2019 Issued
Array ( [id] => 17227500 [patent_doc_number] => 20210354056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => SUPPORT GRID ASSEMBLY FOR PRESSURE VESSEL [patent_app_type] => utility [patent_app_number] => 17/312801 [patent_app_country] => US [patent_app_date] => 2019-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6153 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17312801 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/312801
SUPPORT GRID ASSEMBLY FOR PRESSURE VESSEL Dec 9, 2019 Abandoned
Array ( [id] => 16914328 [patent_doc_number] => 20210187420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => SYSTEMS AND PROCESSES EMPLOYING WET/DRY SUCTION FILTER [patent_app_type] => utility [patent_app_number] => 16/708645 [patent_app_country] => US [patent_app_date] => 2019-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16708645 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/708645
Systems and processes employing wet/dry suction filter Dec 9, 2019 Issued
Array ( [id] => 16884116 [patent_doc_number] => 20210170311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => FILTER ELEMENT, FILTER, FILTER DEVICE, AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 16/707325 [patent_app_country] => US [patent_app_date] => 2019-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4103 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16707325 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/707325
FILTER ELEMENT, FILTER, FILTER DEVICE, AND METHOD OF USE Dec 8, 2019 Abandoned
Array ( [id] => 16009979 [patent_doc_number] => 20200179832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => FILTER CARTRIDGE [patent_app_type] => utility [patent_app_number] => 16/706069 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16706069 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/706069
FILTER CARTRIDGE Dec 5, 2019 Abandoned
Array ( [id] => 16010001 [patent_doc_number] => 20200179843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => FILTER ELEMENT FOR A FILTER DEVICE [patent_app_type] => utility [patent_app_number] => 16/706664 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9295 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16706664 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/706664
Filter element for a filter device Dec 5, 2019 Issued
Array ( [id] => 16884115 [patent_doc_number] => 20210170310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => Filter Assembly Employing Cloth Filter Layer for Use in Self-Cleaning Filter [patent_app_type] => utility [patent_app_number] => 16/704053 [patent_app_country] => US [patent_app_date] => 2019-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16704053 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/704053
Filter Assembly Employing Cloth Filter Layer for Use in Self-Cleaning Filter Dec 4, 2019 Abandoned
Array ( [id] => 15649057 [patent_doc_number] => 20200087058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => Container and Stirring Device [patent_app_type] => utility [patent_app_number] => 16/688849 [patent_app_country] => US [patent_app_date] => 2019-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2990 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16688849 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/688849
Container and Stirring Device Nov 18, 2019 Abandoned
Array ( [id] => 16443170 [patent_doc_number] => 10835071 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-11-17 [patent_title] => Cookware drainage apparatus [patent_app_type] => utility [patent_app_number] => 16/688899 [patent_app_country] => US [patent_app_date] => 2019-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3668 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16688899 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/688899
Cookware drainage apparatus Nov 18, 2019 Issued
Array ( [id] => 15647437 [patent_doc_number] => 20200086248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => WATER FILTER AUTHENTICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 16/687246 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16687246 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/687246
WATER FILTER AUTHENTICATION SYSTEM Nov 17, 2019 Abandoned
Array ( [id] => 15738901 [patent_doc_number] => 20200108338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => PUSH FILTER WITH FLOATING KEY LOCK [patent_app_type] => utility [patent_app_number] => 16/687227 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13831 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16687227 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/687227
Push filter with floating key lock Nov 17, 2019 Issued
Array ( [id] => 17412884 [patent_doc_number] => 20220047788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => PREPARING AN EXTRACORPOREAL BLOOD TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 17/293228 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 17293228 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/293228
Preparing an extracorporeal blood treatment apparatus Nov 17, 2019 Issued
Array ( [id] => 17799290 [patent_doc_number] => 11413560 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Push filter with floating key lock [patent_app_type] => utility [patent_app_number] => 16/687251 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 62 [patent_no_of_words] => 18057 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16687251 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/687251
Push filter with floating key lock Nov 17, 2019 Issued
Array ( [id] => 17466939 [patent_doc_number] => 11273397 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Filter base for electronic connection to mating filter housing assembly [patent_app_type] => utility [patent_app_number] => 16/687243 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 82 [patent_no_of_words] => 21160 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16687243 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/687243
Filter base for electronic connection to mating filter housing assembly Nov 17, 2019 Issued
Array ( [id] => 15829231 [patent_doc_number] => 20200129897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => FILTER BASE FOR ELECTRONIC CONNECTION TO MATING FILTER HOUSING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/687214 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21110 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16687214 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/687214
FILTER BASE FOR ELECTRONIC CONNECTION TO MATING FILTER HOUSING ASSEMBLY Nov 17, 2019 Abandoned
Array ( [id] => 17369729 [patent_doc_number] => 20220024781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => FILTER DEVICE FOR FILTERING DRINKING WATER [patent_app_type] => utility [patent_app_number] => 17/297018 [patent_app_country] => US [patent_app_date] => 2019-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5069 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17297018 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/297018
FILTER DEVICE FOR FILTERING DRINKING WATER Nov 13, 2019 Abandoned
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