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] => 19871260 [patent_doc_number] => 12264104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Multi-component composition for manufacturing polyurethane/urea cementitious hybrid systems [patent_app_type] => utility [patent_app_number] => 17/425056 [patent_app_country] => US [patent_app_date] => 2020-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11699 [patent_no_of_claims] => 26 [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] => 17425056 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/425056
Multi-component composition for manufacturing polyurethane/urea cementitious hybrid systems Jan 30, 2020 Issued
Array ( [id] => 17547970 [patent_doc_number] => 20220119311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => RHEOLOGY MODIFIER FOR GEOPOLYMER FOAM FORMULATIONS [patent_app_type] => utility [patent_app_number] => 17/424753 [patent_app_country] => US [patent_app_date] => 2020-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424753 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424753
Rheology modifier for geopolymer foam formulations Jan 28, 2020 Issued
Array ( [id] => 15930729 [patent_doc_number] => 20200156998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => CEMENT FORMULATIONS AND METHODS [patent_app_type] => utility [patent_app_number] => 16/774733 [patent_app_country] => US [patent_app_date] => 2020-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16560 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16774733 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/774733
CEMENT FORMULATIONS AND METHODS Jan 27, 2020 Abandoned
Array ( [id] => 15930749 [patent_doc_number] => 20200157008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => USE OF SACRIFICIAL AGENTS IN MANUFACTURE OF GYPSUM WALLBOARD [patent_app_type] => utility [patent_app_number] => 16/751397 [patent_app_country] => US [patent_app_date] => 2020-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6404 [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] => 16751397 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/751397
Use of sacrificial agents in manufacture of gypsum wallboard Jan 23, 2020 Issued
Array ( [id] => 15930747 [patent_doc_number] => 20200157007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => FIRE RESISTANT CALCIUM SULPHATE-BASED PRODUCTS [patent_app_type] => utility [patent_app_number] => 16/750623 [patent_app_country] => US [patent_app_date] => 2020-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16750623 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/750623
Fire resistant calcium sulphate-based products Jan 22, 2020 Issued
Array ( [id] => 19701389 [patent_doc_number] => 12195398 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Product comprising cement and supplementary cementitious material, and methods of making [patent_app_type] => utility [patent_app_number] => 17/425352 [patent_app_country] => US [patent_app_date] => 2020-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5383 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17425352 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/425352
Product comprising cement and supplementary cementitious material, and methods of making Jan 22, 2020 Issued
Array ( [id] => 19441314 [patent_doc_number] => 12091555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Exfoliated layer dispersion of layered compound, and transparent substrate using same [patent_app_type] => utility [patent_app_number] => 17/424638 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 9060 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424638 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424638
Exfoliated layer dispersion of layered compound, and transparent substrate using same Jan 20, 2020 Issued
Array ( [id] => 18117441 [patent_doc_number] => 11548822 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Composite cementitious discrete-element feedstock [patent_app_type] => utility [patent_app_number] => 16/745575 [patent_app_country] => US [patent_app_date] => 2020-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4073 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [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] => 16745575 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/745575
Composite cementitious discrete-element feedstock Jan 16, 2020 Issued
Array ( [id] => 17504998 [patent_doc_number] => 20220098100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => RAPID CURING MINERAL BINDER MIXTURE [patent_app_type] => utility [patent_app_number] => 17/421022 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3705 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17421022 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/421022
Rapid curing mineral binder mixture Jan 14, 2020 Issued
Array ( [id] => 17460061 [patent_doc_number] => 20220073366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => Process for producing haematite pigments [patent_app_type] => utility [patent_app_number] => 17/419587 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3968 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17419587 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/419587
Process for producing haematite pigments Jan 14, 2020 Issued
Array ( [id] => 17875418 [patent_doc_number] => 11447419 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Lightweight aggregate ultra-high performance concrete (UHPC) and preparation method thereof [patent_app_type] => utility [patent_app_number] => 17/053424 [patent_app_country] => US [patent_app_date] => 2019-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4657 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17053424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/053424
Lightweight aggregate ultra-high performance concrete (UHPC) and preparation method thereof Dec 29, 2019 Issued
Array ( [id] => 17356625 [patent_doc_number] => 20220017421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => FIRE-RESISTANT HEAT-INSULATION COMPOSITION, FIRE-RESISTANT HEAT-INSULATION COMPOSITION SLURRY, FIRE-RESISTANT HEAT-INSULATION BOARD, AND FIRE-RESISTANT HEAT-INSULATION STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/311531 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17311531 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/311531
FIRE-RESISTANT HEAT-INSULATION COMPOSITION, FIRE-RESISTANT HEAT-INSULATION COMPOSITION SLURRY, FIRE-RESISTANT HEAT-INSULATION BOARD, AND FIRE-RESISTANT HEAT-INSULATION STRUCTURE Dec 22, 2019 Abandoned
Array ( [id] => 18916673 [patent_doc_number] => 11878942 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Cementitious compositions with accelerated curing at low temperatures [patent_app_type] => utility [patent_app_number] => 17/288103 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6718 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17288103 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/288103
Cementitious compositions with accelerated curing at low temperatures Dec 22, 2019 Issued
Array ( [id] => 16190652 [patent_doc_number] => 20200231501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => SURFACE CRACK FILLER COMPOUND [patent_app_type] => utility [patent_app_number] => 16/721645 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16721645 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/721645
Surface crack filler compound Dec 18, 2019 Issued
Array ( [id] => 17587805 [patent_doc_number] => 11326062 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Colorless copper-containing material [patent_app_type] => utility [patent_app_number] => 16/718922 [patent_app_country] => US [patent_app_date] => 2019-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 12305 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16718922 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/718922
Colorless copper-containing material Dec 17, 2019 Issued
Array ( [id] => 17460826 [patent_doc_number] => 20220074131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => WATER REPELLENT AGENT COMPOSITION AND METHOD FOR PRODUCING WATER REPELLENT FIBER PRODUCT [patent_app_type] => utility [patent_app_number] => 17/413487 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15897 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17413487 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/413487
Water repellent agent composition and method for producing water repellent fiber product Dec 16, 2019 Issued
Array ( [id] => 19826368 [patent_doc_number] => 12247134 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Coating compositions [patent_app_type] => utility [patent_app_number] => 17/311495 [patent_app_country] => US [patent_app_date] => 2019-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27297 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 851 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17311495 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/311495
Coating compositions Dec 12, 2019 Issued
Array ( [id] => 18384421 [patent_doc_number] => 11655188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Flexible concrete [patent_app_type] => utility [patent_app_number] => 17/299081 [patent_app_country] => US [patent_app_date] => 2019-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4536 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [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] => 17299081 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/299081
Flexible concrete Dec 12, 2019 Issued
Array ( [id] => 17385456 [patent_doc_number] => 20220033308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => HYDRAULIC COMPOSITION FOR ADDITIVE MANUFACTURING DEVICE, AND METHOD FOR PRODUCING CASTING MOLD [patent_app_type] => utility [patent_app_number] => 17/297209 [patent_app_country] => US [patent_app_date] => 2019-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5898 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17297209 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/297209
Hydraulic composition for additive manufacturing device, and method for producing casting mold Dec 10, 2019 Issued
Array ( [id] => 16792861 [patent_doc_number] => 20210122678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => ARTIFICIAL STONE SLAB AND METHODS FOR MANUFACTURING THEREOF [patent_app_type] => utility [patent_app_number] => 16/708431 [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] => 3174 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16708431 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/708431
Artificial stone slab and methods for manufacturing thereof Dec 8, 2019 Issued
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