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] => 17399414 [patent_doc_number] => 20220041504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => CEMENTITIOUS REAGENTS, METHODS OF MANUFACTURING AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/510720 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22395 [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] => 17510720 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/510720
Cementitious reagents, methods of manufacturing and uses thereof Oct 25, 2021 Issued
Array ( [id] => 17399417 [patent_doc_number] => 20220041507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => STRUCTURAL ASSEMBLY BOARD AND METHOD OF MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 17/507307 [patent_app_country] => US [patent_app_date] => 2021-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17507307 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/507307
Structural assembly board and method of manufacturing same Oct 20, 2021 Issued
Array ( [id] => 18971777 [patent_doc_number] => 20240051869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => PRODUCTION METHOD OF READY INJECTION MATERIAL INCLUDING NANO HYDRAULIC LIME [patent_app_type] => utility [patent_app_number] => 18/039981 [patent_app_country] => US [patent_app_date] => 2021-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1794 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18039981 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/039981
PRODUCTION METHOD OF READY INJECTION MATERIAL INCLUDING NANO HYDRAULIC LIME Oct 17, 2021 Pending
Array ( [id] => 17611361 [patent_doc_number] => 20220153640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => Particle Size Distribution of Low Carbon Ordinary Portland Cement [patent_app_type] => utility [patent_app_number] => 17/497929 [patent_app_country] => US [patent_app_date] => 2021-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8071 [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] => 17497929 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/497929
Particle Size Distribution of Low Carbon Ordinary Portland Cement Oct 8, 2021 Abandoned
Array ( [id] => 20315944 [patent_doc_number] => 12454486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Process for producing calcium silicate hydrate [patent_app_type] => utility [patent_app_number] => 18/030511 [patent_app_country] => US [patent_app_date] => 2021-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7262 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18030511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/030511
Process for producing calcium silicate hydrate Oct 4, 2021 Issued
Array ( [id] => 19624227 [patent_doc_number] => 12163031 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Pigment preparations [patent_app_type] => utility [patent_app_number] => 17/494384 [patent_app_country] => US [patent_app_date] => 2021-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17590 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17494384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/494384
Pigment preparations Oct 4, 2021 Issued
Array ( [id] => 17502694 [patent_doc_number] => 20220095796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => Calcium Aluminate Cement Bonded Ceramic Matrix For Use As Heat Resistant Countertops and Similar Components in the Building and Construction Industry [patent_app_type] => utility [patent_app_number] => 17/449047 [patent_app_country] => US [patent_app_date] => 2021-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17449047 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/449047
Calcium Aluminate Cement Bonded Ceramic Matrix For Use As Heat Resistant Countertops and Similar Components in the Building and Construction Industry Sep 26, 2021 Abandoned
Array ( [id] => 19955257 [patent_doc_number] => 12325662 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Systems and methods for self-sustaining reactive cementitious systems [patent_app_type] => utility [patent_app_number] => 17/483553 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9748 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17483553 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/483553
Systems and methods for self-sustaining reactive cementitious systems Sep 22, 2021 Issued
Array ( [id] => 19922877 [patent_doc_number] => 12297147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Systems and methods for moisture conditioning aggregate with an alkaline compound [patent_app_type] => utility [patent_app_number] => 17/483520 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 13534 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17483520 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/483520
Systems and methods for moisture conditioning aggregate with an alkaline compound Sep 22, 2021 Issued
Array ( [id] => 20240861 [patent_doc_number] => 12421168 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Systems and methods for self-sustaining saltwater reactive cementitious systems [patent_app_type] => utility [patent_app_number] => 17/483599 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12372 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17483599 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/483599
Systems and methods for self-sustaining saltwater reactive cementitious systems Sep 22, 2021 Issued
Array ( [id] => 18269402 [patent_doc_number] => 20230090644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => CLASS C FLY ASH-BASED CEMENTITIOUS MATERIALS, FLOWABLE FILL, CONCRETE, AND RELATED TECHNIQUES [patent_app_type] => utility [patent_app_number] => 17/480464 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7468 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17480464 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/480464
Class C fly ash-based cementitious materials, flowable fill, concrete, and related techniques Sep 20, 2021 Issued
Array ( [id] => 19594144 [patent_doc_number] => 12151974 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Use of mineral fines to reduce clinker content of cementitious compositions [patent_app_type] => utility [patent_app_number] => 17/477199 [patent_app_country] => US [patent_app_date] => 2021-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 35088 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17477199 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/477199
Use of mineral fines to reduce clinker content of cementitious compositions Sep 15, 2021 Issued
Array ( [id] => 17335871 [patent_doc_number] => 20220002202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => Cementitious Composition With High Bond Strength To Both Asphalt And Cement Based Materials [patent_app_type] => utility [patent_app_number] => 17/476893 [patent_app_country] => US [patent_app_date] => 2021-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4002 [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] => 17476893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/476893
Cementitious Composition With High Bond Strength To Both Asphalt And Cement Based Materials Sep 15, 2021 Abandoned
Array ( [id] => 17634923 [patent_doc_number] => 11345634 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Method of lightweight aggregates production from waste-coal combustion ash [patent_app_type] => utility [patent_app_number] => 17/469945 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 97 [patent_no_of_words] => 15127 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17469945 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/469945
Method of lightweight aggregates production from waste-coal combustion ash Sep 8, 2021 Issued
Array ( [id] => 17784572 [patent_doc_number] => 11407684 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-09 [patent_title] => Water-resistant long-acting inorganic zinc oxide super-hydrophilic paint, preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 17/468987 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2221 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17468987 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/468987
Water-resistant long-acting inorganic zinc oxide super-hydrophilic paint, preparation method and application thereof Sep 7, 2021 Issued
Array ( [id] => 17299749 [patent_doc_number] => 20210395588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => Compositions and Methods for Inhibiting Ice Formation on Surfaces [patent_app_type] => utility [patent_app_number] => 17/464603 [patent_app_country] => US [patent_app_date] => 2021-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 45739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17464603 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/464603
Compositions and methods for inhibiting ice formation on surfaces Aug 31, 2021 Issued
Array ( [id] => 18478186 [patent_doc_number] => 11691916 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Mortar composition containing iron oxide [patent_app_type] => utility [patent_app_number] => 17/405533 [patent_app_country] => US [patent_app_date] => 2021-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 11238 [patent_no_of_claims] => 6 [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] => 17405533 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/405533
Mortar composition containing iron oxide Aug 17, 2021 Issued
Array ( [id] => 18461408 [patent_doc_number] => 11685691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-27 [patent_title] => Aluminum hydroxide enhanced mortar composition [patent_app_type] => utility [patent_app_number] => 17/405459 [patent_app_country] => US [patent_app_date] => 2021-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 11237 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17405459 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/405459
Aluminum hydroxide enhanced mortar composition Aug 17, 2021 Issued
Array ( [id] => 18413039 [patent_doc_number] => 11667571 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Tinted mortar composition containing fuel ash [patent_app_type] => utility [patent_app_number] => 17/405658 [patent_app_country] => US [patent_app_date] => 2021-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 11239 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17405658 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/405658
Tinted mortar composition containing fuel ash Aug 17, 2021 Issued
Array ( [id] => 19473819 [patent_doc_number] => 12103895 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Processes and systems for carbon dioxide sequestration and related concrete compositions [patent_app_type] => utility [patent_app_number] => 17/404861 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 22 [patent_no_of_words] => 12848 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17404861 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/404861
Processes and systems for carbon dioxide sequestration and related concrete compositions Aug 16, 2021 Issued
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