Search

Robert Canfield

Examiner (ID: 1966, Phone: (571)272-6840 , Office: P/3635 )

Most Active Art Unit
3636
Art Unit(s)
3636, 3504, 3600, 3621, 3635
Total Applications
3207
Issued Applications
2503
Pending Applications
225
Abandoned Applications
509

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4193858 [patent_doc_number] => 06027145 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-22 [patent_title] => 'Joint for steel pipe having high galling resistance and surface treatment method thereof' [patent_app_type] => 1 [patent_app_number] => 8/809344 [patent_app_country] => US [patent_app_date] => 1997-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 25570 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/027/06027145.pdf [firstpage_image] =>[orig_patent_app_number] => 809344 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/809344
Joint for steel pipe having high galling resistance and surface treatment method thereof May 22, 1997 Issued
Array ( [id] => 3858473 [patent_doc_number] => 05823579 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Device for coupling a flared metal pipe' [patent_app_type] => 1 [patent_app_number] => 8/861203 [patent_app_country] => US [patent_app_date] => 1997-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 2495 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/823/05823579.pdf [firstpage_image] =>[orig_patent_app_number] => 861203 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/861203
Device for coupling a flared metal pipe May 20, 1997 Issued
Array ( [id] => 3819931 [patent_doc_number] => 05813706 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-29 [patent_title] => 'Variable radial orientation pipe connector' [patent_app_type] => 1 [patent_app_number] => 8/861079 [patent_app_country] => US [patent_app_date] => 1997-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 2680 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/813/05813706.pdf [firstpage_image] =>[orig_patent_app_number] => 861079 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/861079
Variable radial orientation pipe connector May 20, 1997 Issued
Array ( [id] => 4188764 [patent_doc_number] => 06026803 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-22 [patent_title] => 'Coupling with built-in gasket and mechanical locking device' [patent_app_type] => 1 [patent_app_number] => 8/859922 [patent_app_country] => US [patent_app_date] => 1997-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3003 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/026/06026803.pdf [firstpage_image] =>[orig_patent_app_number] => 859922 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/859922
Coupling with built-in gasket and mechanical locking device May 20, 1997 Issued
Array ( [id] => 3727526 [patent_doc_number] => 05785360 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-28 [patent_title] => 'Thread coupling for drill string elements for percussive drilling' [patent_app_type] => 1 [patent_app_number] => 8/849322 [patent_app_country] => US [patent_app_date] => 1997-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 717 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/785/05785360.pdf [firstpage_image] =>[orig_patent_app_number] => 849322 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/849322
Thread coupling for drill string elements for percussive drilling May 19, 1997 Issued
Array ( [id] => 3960642 [patent_doc_number] => 05903964 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-18 [patent_title] => 'Common rail and method of manufacturing same' [patent_app_type] => 1 [patent_app_number] => 8/856872 [patent_app_country] => US [patent_app_date] => 1997-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2038 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/903/05903964.pdf [firstpage_image] =>[orig_patent_app_number] => 856872 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/856872
Common rail and method of manufacturing same May 14, 1997 Issued
Array ( [id] => 3858460 [patent_doc_number] => 05823578 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Extensible metallic tube structure' [patent_app_type] => 1 [patent_app_number] => 8/856592 [patent_app_country] => US [patent_app_date] => 1997-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 1496 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 492 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/823/05823578.pdf [firstpage_image] =>[orig_patent_app_number] => 856592 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/856592
Extensible metallic tube structure May 14, 1997 Issued
Array ( [id] => 3933454 [patent_doc_number] => 05954372 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-21 [patent_title] => 'Apparatus for splicing drip tape' [patent_app_type] => 1 [patent_app_number] => 8/854909 [patent_app_country] => US [patent_app_date] => 1997-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5014 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/954/05954372.pdf [firstpage_image] =>[orig_patent_app_number] => 854909 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/854909
Apparatus for splicing drip tape May 12, 1997 Issued
Array ( [id] => 3983942 [patent_doc_number] => 05857717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-12 [patent_title] => 'Plumbing device and method' [patent_app_type] => 1 [patent_app_number] => 8/853851 [patent_app_country] => US [patent_app_date] => 1997-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1626 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/857/05857717.pdf [firstpage_image] =>[orig_patent_app_number] => 853851 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/853851
Plumbing device and method May 8, 1997 Issued
Array ( [id] => 3792584 [patent_doc_number] => 05853198 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-29 [patent_title] => 'Thermal attachment device' [patent_app_type] => 1 [patent_app_number] => 8/852313 [patent_app_country] => US [patent_app_date] => 1997-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1768 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/853/05853198.pdf [firstpage_image] =>[orig_patent_app_number] => 852313 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/852313
Thermal attachment device May 6, 1997 Issued
Array ( [id] => 3747249 [patent_doc_number] => 05851033 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Corrosion limiting device' [patent_app_type] => 1 [patent_app_number] => 8/846709 [patent_app_country] => US [patent_app_date] => 1997-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2925 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/851/05851033.pdf [firstpage_image] =>[orig_patent_app_number] => 846709 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/846709
Corrosion limiting device Apr 29, 1997 Issued
Array ( [id] => 3871777 [patent_doc_number] => 05797627 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-25 [patent_title] => 'Swivel' [patent_app_type] => 1 [patent_app_number] => 8/841259 [patent_app_country] => US [patent_app_date] => 1997-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 22 [patent_no_of_words] => 6661 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/797/05797627.pdf [firstpage_image] =>[orig_patent_app_number] => 841259 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/841259
Swivel Apr 29, 1997 Issued
Array ( [id] => 3943302 [patent_doc_number] => 05899235 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'Ferrule' [patent_app_type] => 1 [patent_app_number] => 8/817973 [patent_app_country] => US [patent_app_date] => 1997-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 17 [patent_no_of_words] => 4852 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/899/05899235.pdf [firstpage_image] =>[orig_patent_app_number] => 817973 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/817973
Ferrule Apr 27, 1997 Issued
08/848110 AUTOMATIC LOCKING MECHANISM FOR AIR BRAKE HOSE COUPLING MEMBERS Apr 27, 1997 Abandoned
Array ( [id] => 3847731 [patent_doc_number] => 05836286 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-17 [patent_title] => 'Adjustable eccentric fuel coupling' [patent_app_type] => 1 [patent_app_number] => 8/840653 [patent_app_country] => US [patent_app_date] => 1997-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3660 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/836/05836286.pdf [firstpage_image] =>[orig_patent_app_number] => 840653 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/840653
Adjustable eccentric fuel coupling Apr 23, 1997 Issued
Array ( [id] => 3925740 [patent_doc_number] => 05997045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Pipe joint' [patent_app_type] => 1 [patent_app_number] => 8/776573 [patent_app_country] => US [patent_app_date] => 1997-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1240 [patent_no_of_claims] => 14 [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] => patents/05/997/05997045.pdf [firstpage_image] =>[orig_patent_app_number] => 776573 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/776573
Pipe joint Apr 20, 1997 Issued
Array ( [id] => 3933481 [patent_doc_number] => 05954374 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-21 [patent_title] => 'Pipe connectors' [patent_app_type] => 1 [patent_app_number] => 8/839341 [patent_app_country] => US [patent_app_date] => 1997-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4027 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/954/05954374.pdf [firstpage_image] =>[orig_patent_app_number] => 839341 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/839341
Pipe connectors Apr 17, 1997 Issued
Array ( [id] => 3992554 [patent_doc_number] => 05887912 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-30 [patent_title] => 'Flare-type pipe joint' [patent_app_type] => 1 [patent_app_number] => 8/843844 [patent_app_country] => US [patent_app_date] => 1997-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3093 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/887/05887912.pdf [firstpage_image] =>[orig_patent_app_number] => 843844 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/843844
Flare-type pipe joint Apr 16, 1997 Issued
08/842664 TUBING JOINTS AND METHODS FOR ATTACHMENT OF TUBING TO VALVES AND EXTRUSIONS Apr 14, 1997 Abandoned
Array ( [id] => 3800294 [patent_doc_number] => 05769467 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-23 [patent_title] => 'Pipe couplings for misaligned or out-of-round pipes and expanding/contracting pipes' [patent_app_type] => 1 [patent_app_number] => 8/837164 [patent_app_country] => US [patent_app_date] => 1997-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 6829 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/769/05769467.pdf [firstpage_image] =>[orig_patent_app_number] => 837164 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/837164
Pipe couplings for misaligned or out-of-round pipes and expanding/contracting pipes Apr 13, 1997 Issued
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