Search

Robert Canfield

Examiner (ID: 12223, Phone: (571)272-6840 , Office: P/3635 )

Most Active Art Unit
3636
Art Unit(s)
3504, 3600, 3635, 3636, 3621
Total Applications
3190
Issued Applications
2496
Pending Applications
226
Abandoned Applications
504

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18657539 [patent_doc_number] => 20230303443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => ALKYL SULFATE / ALKYL ETHER SULFATE GYPSUM FOAMER [patent_app_type] => utility [patent_app_number] => 18/199529 [patent_app_country] => US [patent_app_date] => 2023-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 18199529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/199529
Alkyl sulfate / alkyl ether sulfate gypsum foamer May 18, 2023 Issued
Array ( [id] => 18628307 [patent_doc_number] => 20230287168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => CATIONIC EPOXY COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/198215 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3461 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18198215 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/198215
CATIONIC EPOXY COMPOSITIONS May 15, 2023 Pending
Array ( [id] => 19425000 [patent_doc_number] => 12084401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Trisamide compounds and compositions comprising the same [patent_app_type] => utility [patent_app_number] => 18/197660 [patent_app_country] => US [patent_app_date] => 2023-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7509 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18197660 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/197660
Trisamide compounds and compositions comprising the same May 14, 2023 Issued
Array ( [id] => 18808466 [patent_doc_number] => 20230382799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => CONCRETE CRACK REPAIR MATERIAL BASED ON NANO MATERIALS AND ITS PREPARATION METHOD [patent_app_type] => utility [patent_app_number] => 18/316984 [patent_app_country] => US [patent_app_date] => 2023-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2268 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316984 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316984
Concrete crack repair material based on nano materials and its preparation method May 11, 2023 Issued
Array ( [id] => 18597410 [patent_doc_number] => 20230272205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => RESIN COMPOSITION, ADHESIVE AGENT, AND COMPATIBILIZER [patent_app_type] => utility [patent_app_number] => 18/195061 [patent_app_country] => US [patent_app_date] => 2023-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25097 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18195061 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/195061
RESIN COMPOSITION, ADHESIVE AGENT, AND COMPATIBILIZER May 8, 2023 Pending
Array ( [id] => 19188023 [patent_doc_number] => 20240166936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => METHOD FOR PREPARING HEAT-CONDUCTIVE CEMENT SLURRY FOR WELL CEMENTATION [patent_app_type] => utility [patent_app_number] => 18/305910 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18305910 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/305910
Method for preparing heat-conductive cement slurry for well cementation Apr 23, 2023 Issued
Array ( [id] => 18675320 [patent_doc_number] => 20230312921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => LOW-MOLD DEPOSIT HALOGEN-FREE FLAME-RETARDANT THERMOPLASTIC POLYAMIDE COMPOSITION, AND PREPARATION METHOD AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/134034 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18134034 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/134034
LOW-MOLD DEPOSIT HALOGEN-FREE FLAME-RETARDANT THERMOPLASTIC POLYAMIDE COMPOSITION, AND PREPARATION METHOD AND USE THEREOF Apr 11, 2023 Pending
Array ( [id] => 19033999 [patent_doc_number] => 20240083814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Coal Combustion Residuals, Leachate and Wet Ash Wastes Solidification Devices, Kits, and Assemblies [patent_app_type] => utility [patent_app_number] => 18/132754 [patent_app_country] => US [patent_app_date] => 2023-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4650 [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] => 18132754 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/132754
Coal Combustion Residuals, Leachate and Wet Ash Wastes Solidification Devices, Kits, and Assemblies Apr 9, 2023 Abandoned
Array ( [id] => 18692391 [patent_doc_number] => 20230322624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => HYDRAULIC COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/123496 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5192 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18123496 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123496
HYDRAULIC COMPOSITION Mar 19, 2023 Pending
Array ( [id] => 19448784 [patent_doc_number] => 20240308914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => NAILABLE CONCRETE COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/183271 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19677 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18183271 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/183271
NAILABLE CONCRETE COMPOSITION Mar 13, 2023 Pending
Array ( [id] => 19121102 [patent_doc_number] => 11965073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Polyester film comprising a polymeric phosphonate flame retardant [patent_app_type] => utility [patent_app_number] => 18/180436 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9545 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180436 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180436
Polyester film comprising a polymeric phosphonate flame retardant Mar 7, 2023 Issued
Array ( [id] => 18844363 [patent_doc_number] => 20230406767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => WATER-FREE AND CEMENT-FREE DUCTILE CONCRETE AND SOIL STABILIZING COMPOSITION AND THERMAL CASTING METHOD FOR MAKING SAME [patent_app_type] => utility [patent_app_number] => 18/112327 [patent_app_country] => US [patent_app_date] => 2023-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5788 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18112327 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/112327
WATER-FREE AND CEMENT-FREE DUCTILE CONCRETE AND SOIL STABILIZING COMPOSITION AND THERMAL CASTING METHOD FOR MAKING SAME Feb 20, 2023 Abandoned
Array ( [id] => 19142285 [patent_doc_number] => 20240141118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => SURFACE-TREATED INORGANIC NANO-PARTICLE AND COMPLEX FILM COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 18/106657 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5041 [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] => 18106657 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/106657
SURFACE-TREATED INORGANIC NANO-PARTICLE AND COMPLEX FILM COMPRISING THE SAME Feb 6, 2023 Pending
Array ( [id] => 18552297 [patent_doc_number] => 20230250306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => Water-Based Ink Jet Ink Composition [patent_app_type] => utility [patent_app_number] => 18/165372 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18165372 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165372
Water-Based Ink Jet Ink Composition Feb 6, 2023 Pending
Array ( [id] => 18405944 [patent_doc_number] => 20230167295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => RESIN COMPOSITION, MOLDED PRODUCT, COMPOSITE AND ITS USE [patent_app_type] => utility [patent_app_number] => 18/158678 [patent_app_country] => US [patent_app_date] => 2023-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13837 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18158678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/158678
RESIN COMPOSITION, MOLDED PRODUCT, COMPOSITE AND ITS USE Jan 23, 2023 Pending
Array ( [id] => 18537213 [patent_doc_number] => 20230242305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => TWO-COMPONENT PLATINUM CONTENTED LIQUID SILICONE AND THE METHOD FOR MANUFACTURING OF STORAGE BOX LID [patent_app_type] => utility [patent_app_number] => 18/154309 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3314 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18154309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/154309
TWO-COMPONENT PLATINUM CONTENTED LIQUID SILICONE AND THE METHOD FOR MANUFACTURING OF STORAGE BOX LID Jan 12, 2023 Abandoned
Array ( [id] => 18511470 [patent_doc_number] => 20230227626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => THERMOPLASTIC AND THERMOSET FOAM NUCLEATION ADDITIVE AND FOAMED MATERIAL [patent_app_type] => utility [patent_app_number] => 18/154545 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18154545 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/154545
THERMOPLASTIC AND THERMOSET FOAM NUCLEATION ADDITIVE AND FOAMED MATERIAL Jan 12, 2023 Pending
Array ( [id] => 18484770 [patent_doc_number] => 20230212076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => DOUBLE-LIQUID GROUTING SLURRY, ITS TECHNOLOGY AND APPLICATION FOR SUPER LARGE DIAMETER UNDERWATER SHIELD ENGINEERING UNDER HIGH WATER PRESSURE CONDITION [patent_app_type] => utility [patent_app_number] => 18/089531 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9815 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18089531 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/089531
DOUBLE-LIQUID GROUTING SLURRY, ITS TECHNOLOGY AND APPLICATION FOR SUPER LARGE DIAMETER UNDERWATER SHIELD ENGINEERING UNDER HIGH WATER PRESSURE CONDITION Dec 26, 2022 Pending
Array ( [id] => 18436158 [patent_doc_number] => 20230183452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => Flame Retardant Thermoplastic Polymer Composition [patent_app_type] => utility [patent_app_number] => 18/079484 [patent_app_country] => US [patent_app_date] => 2022-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18079484 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/079484
Flame Retardant Thermoplastic Polymer Composition Dec 11, 2022 Pending
Array ( [id] => 20402328 [patent_doc_number] => 12492297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Devulcanized rubber, rubber composition, and pneumatic tire [patent_app_type] => utility [patent_app_number] => 18/075540 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 796 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 18075540 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/075540
Devulcanized rubber, rubber composition, and pneumatic tire Dec 5, 2022 Issued
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