Search

David J. Bagnell

Supervisory Patent Examiner (ID: 18850, Phone: (571)272-6999 , Office: P/3672 )

Most Active Art Unit
3506
Art Unit(s)
3506, 3672, 3625, 2899
Total Applications
1485
Issued Applications
1249
Pending Applications
111
Abandoned Applications
125

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3769845 [patent_doc_number] => 05735355 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-07 [patent_title] => 'Rock melting tool with annealer section' [patent_app_type] => 1 [patent_app_number] => 8/700954 [patent_app_country] => US [patent_app_date] => 1996-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2887 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/735/05735355.pdf [firstpage_image] =>[orig_patent_app_number] => 700954 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/700954
Rock melting tool with annealer section Aug 20, 1996 Issued
Array ( [id] => 3779700 [patent_doc_number] => 05725282 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-10 [patent_title] => 'Adjustable handles for road surface cutting saws' [patent_app_type] => 1 [patent_app_number] => 8/700086 [patent_app_country] => US [patent_app_date] => 1996-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2807 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/725/05725282.pdf [firstpage_image] =>[orig_patent_app_number] => 700086 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/700086
Adjustable handles for road surface cutting saws Aug 19, 1996 Issued
Array ( [id] => 3714924 [patent_doc_number] => 05702160 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-30 [patent_title] => 'Tool for crushing hard material' [patent_app_type] => 1 [patent_app_number] => 8/693294 [patent_app_country] => US [patent_app_date] => 1996-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 2779 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/702/05702160.pdf [firstpage_image] =>[orig_patent_app_number] => 693294 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/693294
Tool for crushing hard material Aug 15, 1996 Issued
Array ( [id] => 3753810 [patent_doc_number] => 05755301 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Inserts and compacts with lead-in surface for enhanced retention' [patent_app_type] => 1 [patent_app_number] => 8/700656 [patent_app_country] => US [patent_app_date] => 1996-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3388 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/755/05755301.pdf [firstpage_image] =>[orig_patent_app_number] => 700656 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/700656
Inserts and compacts with lead-in surface for enhanced retention Aug 8, 1996 Issued
Array ( [id] => 3719585 [patent_doc_number] => 05697462 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-16 [patent_title] => 'Earth-boring bit having improved cutting structure' [patent_app_type] => 1 [patent_app_number] => 8/693556 [patent_app_country] => US [patent_app_date] => 1996-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2458 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/697/05697462.pdf [firstpage_image] =>[orig_patent_app_number] => 693556 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/693556
Earth-boring bit having improved cutting structure Aug 6, 1996 Issued
Array ( [id] => 3863327 [patent_doc_number] => 05803550 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting' [patent_app_type] => 1 [patent_app_number] => 8/689317 [patent_app_country] => US [patent_app_date] => 1996-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 8046 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/803/05803550.pdf [firstpage_image] =>[orig_patent_app_number] => 689317 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/689317
Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting Aug 6, 1996 Issued
Array ( [id] => 3748058 [patent_doc_number] => 05771968 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-30 [patent_title] => 'Cable-based pumping system' [patent_app_type] => 1 [patent_app_number] => 8/693846 [patent_app_country] => US [patent_app_date] => 1996-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 5366 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/771/05771968.pdf [firstpage_image] =>[orig_patent_app_number] => 693846 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/693846
Cable-based pumping system Aug 4, 1996 Issued
Array ( [id] => 3840041 [patent_doc_number] => 05791423 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-11 [patent_title] => 'Earth-boring bit having an improved hard-faced tooth structure' [patent_app_type] => 1 [patent_app_number] => 8/690887 [patent_app_country] => US [patent_app_date] => 1996-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2623 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/791/05791423.pdf [firstpage_image] =>[orig_patent_app_number] => 690887 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/690887
Earth-boring bit having an improved hard-faced tooth structure Aug 1, 1996 Issued
Array ( [id] => 3794579 [patent_doc_number] => 05787998 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-04 [patent_title] => 'Down hole pressure intensifier and drilling assembly and method' [patent_app_type] => 1 [patent_app_number] => 8/675934 [patent_app_country] => US [patent_app_date] => 1996-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 32 [patent_no_of_words] => 24155 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 342 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/787/05787998.pdf [firstpage_image] =>[orig_patent_app_number] => 675934 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/675934
Down hole pressure intensifier and drilling assembly and method Jul 31, 1996 Issued
Array ( [id] => 3800822 [patent_doc_number] => 05769503 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-23 [patent_title] => 'Method and apparatus for a rotating cutting drum or arm mounted with paired opposite circular polarity antennas and resonant microstrip patch transceiver for measuring coal, trona and potash layers forward, side and around a continuous mining machine' [patent_app_type] => 1 [patent_app_number] => 8/685214 [patent_app_country] => US [patent_app_date] => 1996-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3612 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/769/05769503.pdf [firstpage_image] =>[orig_patent_app_number] => 685214 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/685214
Method and apparatus for a rotating cutting drum or arm mounted with paired opposite circular polarity antennas and resonant microstrip patch transceiver for measuring coal, trona and potash layers forward, side and around a continuous mining machine Jul 22, 1996 Issued
Array ( [id] => 3964248 [patent_doc_number] => 05904211 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-18 [patent_title] => 'Disc cutter and excavation equipment' [patent_app_type] => 1 [patent_app_number] => 8/684194 [patent_app_country] => US [patent_app_date] => 1996-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 44 [patent_no_of_words] => 18092 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/904/05904211.pdf [firstpage_image] =>[orig_patent_app_number] => 684194 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/684194
Disc cutter and excavation equipment Jul 18, 1996 Issued
Array ( [id] => 3839919 [patent_doc_number] => 05791416 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-11 [patent_title] => 'Well completion device and method of cementing' [patent_app_type] => 1 [patent_app_number] => 8/679674 [patent_app_country] => US [patent_app_date] => 1996-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 2310 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/791/05791416.pdf [firstpage_image] =>[orig_patent_app_number] => 679674 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/679674
Well completion device and method of cementing Jul 11, 1996 Issued
Array ( [id] => 3719287 [patent_doc_number] => 05634691 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-03 [patent_title] => 'Method for excavating a working face by blasting' [patent_app_type] => 1 [patent_app_number] => 8/678169 [patent_app_country] => US [patent_app_date] => 1996-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 42 [patent_no_of_words] => 5645 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/634/05634691.pdf [firstpage_image] =>[orig_patent_app_number] => 678169 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/678169
Method for excavating a working face by blasting Jul 10, 1996 Issued
Array ( [id] => 3635349 [patent_doc_number] => 05683144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-04 [patent_title] => 'Cutting element with a base element and chisel holder' [patent_app_type] => 1 [patent_app_number] => 8/578618 [patent_app_country] => US [patent_app_date] => 1996-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1726 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/683/05683144.pdf [firstpage_image] =>[orig_patent_app_number] => 578618 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/578618
Cutting element with a base element and chisel holder Jul 7, 1996 Issued
Array ( [id] => 3753749 [patent_doc_number] => 05755297 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Rotary cone drill bit with integral stabilizers' [patent_app_type] => 1 [patent_app_number] => 8/675626 [patent_app_country] => US [patent_app_date] => 1996-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6708 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/755/05755297.pdf [firstpage_image] =>[orig_patent_app_number] => 675626 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/675626
Rotary cone drill bit with integral stabilizers Jul 2, 1996 Issued
Array ( [id] => 3844435 [patent_doc_number] => 05794703 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-18 [patent_title] => 'Wellbore tractor and method of moving an item through a wellbore' [patent_app_type] => 1 [patent_app_number] => 8/675176 [patent_app_country] => US [patent_app_date] => 1996-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 9212 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/794/05794703.pdf [firstpage_image] =>[orig_patent_app_number] => 675176 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/675176
Wellbore tractor and method of moving an item through a wellbore Jul 2, 1996 Issued
Array ( [id] => 3864675 [patent_doc_number] => 05775446 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-07 [patent_title] => 'Nozzle insert for rotary rock bit' [patent_app_type] => 1 [patent_app_number] => 8/675717 [patent_app_country] => US [patent_app_date] => 1996-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2269 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/775/05775446.pdf [firstpage_image] =>[orig_patent_app_number] => 675717 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/675717
Nozzle insert for rotary rock bit Jul 2, 1996 Issued
Array ( [id] => 3876132 [patent_doc_number] => 05722733 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-03 [patent_title] => 'Mounting of cutter picks' [patent_app_type] => 1 [patent_app_number] => 8/670509 [patent_app_country] => US [patent_app_date] => 1996-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1449 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/722/05722733.pdf [firstpage_image] =>[orig_patent_app_number] => 670509 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/670509
Mounting of cutter picks Jun 26, 1996 Issued
Array ( [id] => 3675344 [patent_doc_number] => 05695256 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-09 [patent_title] => 'Road excavator with a rotary cutter' [patent_app_type] => 1 [patent_app_number] => 8/671372 [patent_app_country] => US [patent_app_date] => 1996-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 2814 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/695/05695256.pdf [firstpage_image] =>[orig_patent_app_number] => 671372 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/671372
Road excavator with a rotary cutter Jun 26, 1996 Issued
Array ( [id] => 3790575 [patent_doc_number] => 05853055 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-29 [patent_title] => 'Rock bit with an extended center jet' [patent_app_type] => 1 [patent_app_number] => 8/671517 [patent_app_country] => US [patent_app_date] => 1996-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4875 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/853/05853055.pdf [firstpage_image] =>[orig_patent_app_number] => 671517 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/671517
Rock bit with an extended center jet Jun 26, 1996 Issued
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