Search

Zewdu A. Beyen

Examiner (ID: 12139, Phone: (571)270-7157 , Office: P/2461 )

Most Active Art Unit
2461
Art Unit(s)
2416, 2461, 2419
Total Applications
921
Issued Applications
723
Pending Applications
84
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18306878 [patent_doc_number] => 20230110778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Lightweight Aggregates Produced from Waste-Coal Combustion Ash [patent_app_type] => utility [patent_app_number] => 17/729039 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24347 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729039 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729039
Lightweight aggregates produced from waste-coal combustion ash Apr 25, 2022 Issued
Array ( [id] => 18071342 [patent_doc_number] => 11530164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Compositions, methods, and systems to form vaterite with magnesium oxide [patent_app_type] => utility [patent_app_number] => 17/723718 [patent_app_country] => US [patent_app_date] => 2022-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 36395 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17723718 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/723718
Compositions, methods, and systems to form vaterite with magnesium oxide Apr 18, 2022 Issued
Array ( [id] => 17875696 [patent_doc_number] => 11447699 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Soil stabilization material based on solid waste and bioenzyme, and preparation method thereof [patent_app_type] => utility [patent_app_number] => 17/723541 [patent_app_country] => US [patent_app_date] => 2022-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 7768 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17723541 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/723541
Soil stabilization material based on solid waste and bioenzyme, and preparation method thereof Apr 18, 2022 Issued
Array ( [id] => 17945622 [patent_doc_number] => 20220332639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => CEMENTITIOUS REAGENTS, METHODS OF MANUFACTURING AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/721140 [patent_app_country] => US [patent_app_date] => 2022-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22984 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17721140 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/721140
Cementitious reagents, methods of manufacturing and uses thereof Apr 13, 2022 Issued
Array ( [id] => 20480280 [patent_doc_number] => 12528750 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => All-solid waste-based carbonated unburned lightweight aggregate and preparation method thereof [patent_app_type] => utility [patent_app_number] => 18/018855 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18018855 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/018855
All-solid waste-based carbonated unburned lightweight aggregate and preparation method thereof Apr 12, 2022 Issued
Array ( [id] => 19217660 [patent_doc_number] => 20240182364 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => UTILIZATION OF SPENT CHROMIA/ALUMINA CATALYST FOR CEMENT PRODUCTION [patent_app_type] => utility [patent_app_number] => 18/553856 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18553856 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/553856
UTILIZATION OF SPENT CHROMIA/ALUMINA CATALYST FOR CEMENT PRODUCTION Apr 12, 2022 Pending
Array ( [id] => 18020834 [patent_doc_number] => 20220372333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => Non-Stick, Polishing Wax [patent_app_type] => utility [patent_app_number] => 17/718389 [patent_app_country] => US [patent_app_date] => 2022-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17718389 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/718389
Non-Stick, Polishing Wax Apr 11, 2022 Pending
Array ( [id] => 17975449 [patent_doc_number] => 11492296 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-08 [patent_title] => Carbonization-based lightweight CO2 foamed cement-based material, and optimized preparation method and use thereof [patent_app_type] => utility [patent_app_number] => 17/717152 [patent_app_country] => US [patent_app_date] => 2022-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4699 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17717152 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/717152
Carbonization-based lightweight CO2 foamed cement-based material, and optimized preparation method and use thereof Apr 10, 2022 Issued
Array ( [id] => 19248502 [patent_doc_number] => 20240199489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => COMPOSITION FOR INSULATING COATING [patent_app_type] => utility [patent_app_number] => 18/555433 [patent_app_country] => US [patent_app_date] => 2022-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3842 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18555433 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555433
COMPOSITION FOR INSULATING COATING Apr 10, 2022 Pending
Array ( [id] => 19233577 [patent_doc_number] => 20240190769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => BUILDING MATERIALS [patent_app_type] => utility [patent_app_number] => 18/553954 [patent_app_country] => US [patent_app_date] => 2022-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 47567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18553954 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/553954
BUILDING MATERIALS Apr 6, 2022 Pending
Array ( [id] => 17720865 [patent_doc_number] => 20220213585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => ALUMINUM-CHROMIUM DIFFUSION COATING [patent_app_type] => utility [patent_app_number] => 17/706050 [patent_app_country] => US [patent_app_date] => 2022-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17706050 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/706050
Aluminum-chromium diffusion coating Mar 27, 2022 Issued
Array ( [id] => 19202668 [patent_doc_number] => 20240174567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => BINDER FOR BUILDING MATERIALS, METHOD FOR PRODUCTION THEREOF AND PLANT FOR CARRYING OUT THIS METHOD [patent_app_type] => utility [patent_app_number] => 18/285095 [patent_app_country] => US [patent_app_date] => 2022-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18285095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/285095
BINDER FOR BUILDING MATERIALS, METHOD FOR PRODUCTION THEREOF AND PLANT FOR CARRYING OUT THIS METHOD Mar 27, 2022 Pending
Array ( [id] => 17822574 [patent_doc_number] => 11427510 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-30 [patent_title] => Method and article for improving the strength of carbonated calcium hydroxide compacts [patent_app_type] => utility [patent_app_number] => 17/705021 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3394 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17705021 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/705021
Method and article for improving the strength of carbonated calcium hydroxide compacts Mar 24, 2022 Issued
Array ( [id] => 19202671 [patent_doc_number] => 20240174570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => DRY GRINDING OF STEEL MAKING SLAG, GROUND STEEL MAKING SLAG, AND ITS USE IN CONSTRUCTION MATERIALS [patent_app_type] => utility [patent_app_number] => 18/283985 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9192 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18283985 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/283985
DRY GRINDING OF STEEL MAKING SLAG, GROUND STEEL MAKING SLAG, AND ITS USE IN CONSTRUCTION MATERIALS Mar 22, 2022 Pending
Array ( [id] => 17742505 [patent_doc_number] => 11390562 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-07-19 [patent_title] => Process for preparing cold fusion concrete and cement compositions from metal mining and production waste [patent_app_type] => utility [patent_app_number] => 17/696793 [patent_app_country] => US [patent_app_date] => 2022-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4090 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17696793 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/696793
Process for preparing cold fusion concrete and cement compositions from metal mining and production waste Mar 15, 2022 Issued
Array ( [id] => 18233132 [patent_doc_number] => 11597679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Cementitious reagents, methods of manufacturing and uses thereof [patent_app_type] => utility [patent_app_number] => 17/694566 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 22470 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17694566 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/694566
Cementitious reagents, methods of manufacturing and uses thereof Mar 13, 2022 Issued
Array ( [id] => 18932183 [patent_doc_number] => 11884589 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Settable compositions comprising remediated coal ash and methods of cementing in subterranean formations [patent_app_type] => utility [patent_app_number] => 17/684624 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 10232 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [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] => 17684624 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/684624
Settable compositions comprising remediated coal ash and methods of cementing in subterranean formations Mar 1, 2022 Issued
Array ( [id] => 17829858 [patent_doc_number] => 20220267162 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => MODIFIED MONTMORILLONITE SELF-REPAIRING AGENT AND PREPARATION METHOD AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/675268 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17675268 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/675268
Modified montmorillonite self-repairing agent and preparation method and use thereof Feb 17, 2022 Issued
Array ( [id] => 19265562 [patent_doc_number] => 20240209261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => CARBON SEQUESTRATION FOAMED LIGHTWEIGHT SOIL AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/909718 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3966 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17909718 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/909718
Carbon sequestration foamed lightweight soil and preparation method thereof Feb 14, 2022 Issued
Array ( [id] => 18871062 [patent_doc_number] => 11858847 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Hyaloclastite pozzolan, hyaloclastite based cement, hyaloclastite based concrete and method of making and using same [patent_app_type] => utility [patent_app_number] => 17/590417 [patent_app_country] => US [patent_app_date] => 2022-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8327 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17590417 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/590417
Hyaloclastite pozzolan, hyaloclastite based cement, hyaloclastite based concrete and method of making and using same Jan 31, 2022 Issued
Menu