Search

David J. Bagnell

Supervisory Patent Examiner (ID: 9722, Phone: (571)272-6999 , Office: P/3672 )

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3527162 [patent_doc_number] => 05479996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-02 [patent_title] => 'Rock drilling device with recoil damper' [patent_app_type] => 1 [patent_app_number] => 8/319419 [patent_app_country] => US [patent_app_date] => 1994-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1328 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/479/05479996.pdf [firstpage_image] =>[orig_patent_app_number] => 319419 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/319419
Rock drilling device with recoil damper Oct 5, 1994 Issued
90/003590 PROCESS FOR INERTING A COAL MINING SITE Oct 4, 1994 Issued
Array ( [id] => 3607487 [patent_doc_number] => 05592996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-14 [patent_title] => 'Drill bit having improved cutting structure with varying diamond density' [patent_app_type] => 1 [patent_app_number] => 8/317227 [patent_app_country] => US [patent_app_date] => 1994-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 9648 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/592/05592996.pdf [firstpage_image] =>[orig_patent_app_number] => 317227 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/317227
Drill bit having improved cutting structure with varying diamond density Oct 2, 1994 Issued
Array ( [id] => 3581386 [patent_doc_number] => 05487260 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-30 [patent_title] => 'Lawn rake' [patent_app_type] => 1 [patent_app_number] => 8/317616 [patent_app_country] => US [patent_app_date] => 1994-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 2225 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/487/05487260.pdf [firstpage_image] =>[orig_patent_app_number] => 317616 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/317616
Lawn rake Sep 25, 1994 Issued
Array ( [id] => 3523837 [patent_doc_number] => 05479767 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-02 [patent_title] => 'Trash baffle for round baler' [patent_app_type] => 1 [patent_app_number] => 8/311656 [patent_app_country] => US [patent_app_date] => 1994-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3122 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/479/05479767.pdf [firstpage_image] =>[orig_patent_app_number] => 311656 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/311656
Trash baffle for round baler Sep 22, 1994 Issued
Array ( [id] => 3579433 [patent_doc_number] => 05496095 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-05 [patent_title] => 'Mining machine having vertically movable primary and secondary cutters' [patent_app_type] => 1 [patent_app_number] => 8/309972 [patent_app_country] => US [patent_app_date] => 1994-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 2173 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/496/05496095.pdf [firstpage_image] =>[orig_patent_app_number] => 309972 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/309972
Mining machine having vertically movable primary and secondary cutters Sep 19, 1994 Issued
Array ( [id] => 3636645 [patent_doc_number] => 05636903 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-10 [patent_title] => 'Mining system for removing overburden' [patent_app_type] => 1 [patent_app_number] => 8/305675 [patent_app_country] => US [patent_app_date] => 1994-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 24 [patent_no_of_words] => 4654 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/636/05636903.pdf [firstpage_image] =>[orig_patent_app_number] => 305675 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/305675
Mining system for removing overburden Sep 13, 1994 Issued
Array ( [id] => 3511273 [patent_doc_number] => 05529437 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-25 [patent_title] => 'Guidance system and method for keeping a tunnel boring machine continuously on a plan line' [patent_app_type] => 1 [patent_app_number] => 8/304858 [patent_app_country] => US [patent_app_date] => 1994-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 5819 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/529/05529437.pdf [firstpage_image] =>[orig_patent_app_number] => 304858 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/304858
Guidance system and method for keeping a tunnel boring machine continuously on a plan line Sep 12, 1994 Issued
Array ( [id] => 3505453 [patent_doc_number] => 05485716 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-23 [patent_title] => 'Double row cane harvester' [patent_app_type] => 1 [patent_app_number] => 8/301109 [patent_app_country] => US [patent_app_date] => 1994-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1859 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/485/05485716.pdf [firstpage_image] =>[orig_patent_app_number] => 301109 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/301109
Double row cane harvester Sep 5, 1994 Issued
Array ( [id] => 3494254 [patent_doc_number] => 05513903 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-07 [patent_title] => 'Method and apparatus for developing shafts using small diameter shafts' [patent_app_type] => 1 [patent_app_number] => 8/300215 [patent_app_country] => US [patent_app_date] => 1994-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1830 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/513/05513903.pdf [firstpage_image] =>[orig_patent_app_number] => 300215 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/300215
Method and apparatus for developing shafts using small diameter shafts Sep 5, 1994 Issued
Array ( [id] => 3095662 [patent_doc_number] => 05407252 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-18 [patent_title] => 'Method and apparatus for scaling mine roofs and ribs' [patent_app_type] => 1 [patent_app_number] => 8/299597 [patent_app_country] => US [patent_app_date] => 1994-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 917 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/407/05407252.pdf [firstpage_image] =>[orig_patent_app_number] => 299597 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/299597
Method and apparatus for scaling mine roofs and ribs Aug 31, 1994 Issued
Array ( [id] => 3510495 [patent_doc_number] => 05529384 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-25 [patent_title] => 'Bit holder block and cutter bit therefor' [patent_app_type] => 1 [patent_app_number] => 8/295572 [patent_app_country] => US [patent_app_date] => 1994-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3590 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/529/05529384.pdf [firstpage_image] =>[orig_patent_app_number] => 295572 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/295572
Bit holder block and cutter bit therefor Aug 24, 1994 Issued
Array ( [id] => 3094512 [patent_doc_number] => 05463853 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-07 [patent_title] => 'Lawnmower with adjustable side cutters' [patent_app_type] => 1 [patent_app_number] => 8/293448 [patent_app_country] => US [patent_app_date] => 1994-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 981 [patent_no_of_claims] => 1 [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/05/463/05463853.pdf [firstpage_image] =>[orig_patent_app_number] => 293448 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/293448
Lawnmower with adjustable side cutters Aug 21, 1994 Issued
Array ( [id] => 3402958 [patent_doc_number] => 05477665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-26 [patent_title] => 'Support strut assembly for rotating flexible line-type vegetation trimmer' [patent_app_type] => 1 [patent_app_number] => 8/294151 [patent_app_country] => US [patent_app_date] => 1994-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1950 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/477/05477665.pdf [firstpage_image] =>[orig_patent_app_number] => 294151 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/294151
Support strut assembly for rotating flexible line-type vegetation trimmer Aug 21, 1994 Issued
Array ( [id] => 3107708 [patent_doc_number] => 05435401 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-25 [patent_title] => 'Down-the-hole rock drill' [patent_app_type] => 1 [patent_app_number] => 8/244819 [patent_app_country] => US [patent_app_date] => 1994-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3299 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/435/05435401.pdf [firstpage_image] =>[orig_patent_app_number] => 244819 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/244819
Down-the-hole rock drill Aug 18, 1994 Issued
Array ( [id] => 3685732 [patent_doc_number] => 05595255 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-21 [patent_title] => 'Rotary cone drill bit with improved support arms' [patent_app_type] => 1 [patent_app_number] => 8/287441 [patent_app_country] => US [patent_app_date] => 1994-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 6503 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/595/05595255.pdf [firstpage_image] =>[orig_patent_app_number] => 287441 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/287441
Rotary cone drill bit with improved support arms Aug 7, 1994 Issued
Array ( [id] => 3478606 [patent_doc_number] => 05474365 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-12 [patent_title] => 'Apparatus for mining a seam, in particular of coal' [patent_app_type] => 1 [patent_app_number] => 8/284037 [patent_app_country] => US [patent_app_date] => 1994-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2087 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/474/05474365.pdf [firstpage_image] =>[orig_patent_app_number] => 284037 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/284037
Apparatus for mining a seam, in particular of coal Jul 31, 1994 Issued
Array ( [id] => 3479187 [patent_doc_number] => 05470132 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-28 [patent_title] => 'Tunnelling head and method' [patent_app_type] => 1 [patent_app_number] => 8/280937 [patent_app_country] => US [patent_app_date] => 1994-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2663 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/470/05470132.pdf [firstpage_image] =>[orig_patent_app_number] => 280937 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/280937
Tunnelling head and method Jul 26, 1994 Issued
Array ( [id] => 3483288 [patent_doc_number] => 05560437 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-01 [patent_title] => 'Telemetry method for cable-drilled boreholes and method for carrying it out' [patent_app_type] => 1 [patent_app_number] => 8/204320 [patent_app_country] => US [patent_app_date] => 1994-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2662 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/560/05560437.pdf [firstpage_image] =>[orig_patent_app_number] => 204320 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/204320
Telemetry method for cable-drilled boreholes and method for carrying it out Jul 24, 1994 Issued
Array ( [id] => 3395551 [patent_doc_number] => 05442901 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-22 [patent_title] => 'Self-propelled mower' [patent_app_type] => 1 [patent_app_number] => 8/278747 [patent_app_country] => US [patent_app_date] => 1994-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2141 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/442/05442901.pdf [firstpage_image] =>[orig_patent_app_number] => 278747 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/278747
Self-propelled mower Jul 21, 1994 Issued
Menu