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] => 16176791 [patent_doc_number] => 20200223759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => WATERPROOFING AGENT FOR CONCRETE [patent_app_type] => utility [patent_app_number] => 16/830228 [patent_app_country] => US [patent_app_date] => 2020-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16830228 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/830228
Waterproofing agent for concrete Mar 24, 2020 Issued
Array ( [id] => 18932187 [patent_doc_number] => 11884593 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Leveling and noise reducing mortar composition [patent_app_type] => utility [patent_app_number] => 17/440894 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10224 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17440894 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/440894
Leveling and noise reducing mortar composition Mar 22, 2020 Issued
Array ( [id] => 16360824 [patent_doc_number] => 20200317575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => CEMENTITIOUS COMPOSITIONS USING WASTE MATERIALS AND METHODS OF USING SAME [patent_app_type] => utility [patent_app_number] => 16/824294 [patent_app_country] => US [patent_app_date] => 2020-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16824294 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/824294
Cementitious compositions using waste materials and methods of using same Mar 18, 2020 Issued
Array ( [id] => 17281626 [patent_doc_number] => 11198645 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-14 [patent_title] => Fire resistant calcium sulphate-based products [patent_app_type] => utility [patent_app_number] => 16/822664 [patent_app_country] => US [patent_app_date] => 2020-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4702 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16822664 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/822664
Fire resistant calcium sulphate-based products Mar 17, 2020 Issued
Array ( [id] => 17727655 [patent_doc_number] => 11384029 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Formulations and processing of cementitious components to meet target strength and CO [patent_app_type] => utility [patent_app_number] => 16/821478 [patent_app_country] => US [patent_app_date] => 2020-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 12242 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16821478 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/821478
Formulations and processing of cementitious components to meet target strength and CO Mar 16, 2020 Issued
Array ( [id] => 16312191 [patent_doc_number] => 20200290929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => UTILIZATION OF HEAVY OIL FLY ASH TO PRODUCE CONTROLLED LOW STRENGTH MATERIAL FOR BACKFILLING APPLICATIONS [patent_app_type] => utility [patent_app_number] => 16/815805 [patent_app_country] => US [patent_app_date] => 2020-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16815805 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/815805
Utilization of heavy oil fly ash to produce controlled low strength material for backfilling applications Mar 10, 2020 Issued
Array ( [id] => 16452396 [patent_doc_number] => 20200361822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => ADDITIVE FOR INCREASING EARLY ACTIVITY INDEX OF NICKEL SLAG AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/814262 [patent_app_country] => US [patent_app_date] => 2020-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16814262 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/814262
Additive for increasing early activity index of nickel slag and preparation method thereof Mar 9, 2020 Issued
Array ( [id] => 16657241 [patent_doc_number] => 20210053877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => MULTIFUNCTIONAL GYPSUM-BASED MORTAR AND METHOD OF MAKING SAME [patent_app_type] => utility [patent_app_number] => 16/812276 [patent_app_country] => US [patent_app_date] => 2020-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3656 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16812276 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/812276
Multifunctional gypsum-based mortar and method of making same Mar 6, 2020 Issued
Array ( [id] => 17769290 [patent_doc_number] => 11401215 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-02 [patent_title] => Method for selecting the composition of a construction material comprising an excavated clay soil, method and system for preparing such a construction material [patent_app_type] => utility [patent_app_number] => 17/436674 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 14369 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17436674 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/436674
Method for selecting the composition of a construction material comprising an excavated clay soil, method and system for preparing such a construction material Mar 5, 2020 Issued
Array ( [id] => 18065618 [patent_doc_number] => 20220396705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => GRAPHENE OXIDE-TETRAETHYL ORTHOSILICATE/SILANE COMPOSITE GEL MATERIAL, AND PREPARATION METHOD AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 16/979467 [patent_app_country] => US [patent_app_date] => 2020-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4045 [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] => 16979467 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/979467
Graphene orthosilicate/silane composite gel material, and preparation method and use thereof Mar 4, 2020 Issued
Array ( [id] => 18837633 [patent_doc_number] => 11845694 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Composition for forming casting mold and casting mold forming method [patent_app_type] => utility [patent_app_number] => 17/602330 [patent_app_country] => US [patent_app_date] => 2020-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3956 [patent_no_of_claims] => 14 [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] => 17602330 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/602330
Composition for forming casting mold and casting mold forming method Mar 3, 2020 Issued
Array ( [id] => 16540864 [patent_doc_number] => 20200407277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => Cementitious Composition With High Bond Strength To Both Asphalt And Cement Based Materials [patent_app_type] => utility [patent_app_number] => 16/809265 [patent_app_country] => US [patent_app_date] => 2020-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16809265 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/809265
Cementitious composition with high bond strength to both asphalt and cement based materials Mar 3, 2020 Issued
Array ( [id] => 17641829 [patent_doc_number] => 20220169567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => METHODS AND SYSTEMS FOR CONTROLLING CARBON BURN OUT [patent_app_type] => utility [patent_app_number] => 17/436310 [patent_app_country] => US [patent_app_date] => 2020-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5341 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17436310 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/436310
Methods and systems for controlling carbon burn out Mar 2, 2020 Issued
Array ( [id] => 16807681 [patent_doc_number] => 20210130234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => METHOD AND SYSTEM FOR PRODUCING LOW-ALKALINITY SULPHOALUMINATE CEMENT WITH NEW MINERAL SYSTEM USING STEEL SLAG [patent_app_type] => utility [patent_app_number] => 17/257112 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17257112 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/257112
Method and system for producing low-alkalinity sulphoaluminate cement with new mineral system using steel slag Feb 27, 2020 Issued
Array ( [id] => 18322320 [patent_doc_number] => 20230120448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => DELIVERY SYSTEM FOR PROVIDING SELF-HARDENING CALCIUM SILICATE BASED COMPOSITIONS USED IN MEDICAL APPLICATIONS [patent_app_type] => utility [patent_app_number] => 17/427220 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17427220 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/427220
Delivery system for providing self-hardening calcium silicate based compositions used in medical applications Feb 27, 2020 Issued
Array ( [id] => 16483814 [patent_doc_number] => 20200377415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => THERMALLY-CONDUCTIVE, LOW STRENGTH BACKFILL MATERIAL [patent_app_type] => utility [patent_app_number] => 16/799866 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16799866 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/799866
Thermally-conductive, low strength backfill material Feb 24, 2020 Issued
Array ( [id] => 16112911 [patent_doc_number] => 20200208478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => Method and Composition For Stabilization of Drill Cuttings [patent_app_type] => utility [patent_app_number] => 16/800984 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16800984 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/800984
Method and composition for stabilization of drill cuttings Feb 24, 2020 Issued
Array ( [id] => 16390861 [patent_doc_number] => 20200331802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => ALUMINATE-ENHANCED TYPE I PORTLAND CEMENTS WITH SHORT SETTING TIMES AND CEMENT BOARDS PRODUCED THEREFROM [patent_app_type] => utility [patent_app_number] => 16/801083 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16801083 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/801083
Aluminate-enhanced type I Portland cements with short setting times and cement boards produced therefrom Feb 24, 2020 Issued
Array ( [id] => 18854640 [patent_doc_number] => 11852209 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Fiber-reinforced copper-based brake pad for high-speed railway train, and preparation and friction braking performance thereof [patent_app_type] => utility [patent_app_number] => 16/793938 [patent_app_country] => US [patent_app_date] => 2020-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 8195 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16793938 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/793938
Fiber-reinforced copper-based brake pad for high-speed railway train, and preparation and friction braking performance thereof Feb 17, 2020 Issued
Array ( [id] => 17413916 [patent_doc_number] => 20220048820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => CONCRETE-FORMING COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/298709 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17298709 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/298709
Concrete-forming composition Feb 5, 2020 Issued
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