Search

Leonard E. Smith

Examiner (ID: 13908)

Most Active Art Unit
3403
Art Unit(s)
2899, 3403, 3502, 3402
Total Applications
1086
Issued Applications
977
Pending Applications
2
Abandoned Applications
107

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2532659 [patent_doc_number] => 04832135 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-23 [patent_title] => 'Flow through raise boring bit' [patent_app_type] => 1 [patent_app_number] => 7/162170 [patent_app_country] => US [patent_app_date] => 1988-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1614 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/832/04832135.pdf [firstpage_image] =>[orig_patent_app_number] => 162170 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/162170
Flow through raise boring bit Feb 28, 1988 Issued
Array ( [id] => 2448493 [patent_doc_number] => 04844180 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-04 [patent_title] => 'Downhole drilling motor' [patent_app_type] => 1 [patent_app_number] => 7/158951 [patent_app_country] => US [patent_app_date] => 1988-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1909 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/844/04844180.pdf [firstpage_image] =>[orig_patent_app_number] => 158951 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/158951
Downhole drilling motor Feb 21, 1988 Issued
Array ( [id] => 2406639 [patent_doc_number] => 04787449 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-29 [patent_title] => 'Oil recovery process in subterranean formations' [patent_app_type] => 1 [patent_app_number] => 7/157677 [patent_app_country] => US [patent_app_date] => 1988-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1297 [patent_no_of_claims] => 12 [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] => patents/04/787/04787449.pdf [firstpage_image] =>[orig_patent_app_number] => 157677 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/157677
Oil recovery process in subterranean formations Feb 18, 1988 Issued
Array ( [id] => 2529527 [patent_doc_number] => 04809784 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-07 [patent_title] => 'Tool for underwater connections on an oil production station' [patent_app_type] => 1 [patent_app_number] => 7/154658 [patent_app_country] => US [patent_app_date] => 1988-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2436 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/809/04809784.pdf [firstpage_image] =>[orig_patent_app_number] => 154658 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/154658
Tool for underwater connections on an oil production station Feb 9, 1988 Issued
Array ( [id] => 2491290 [patent_doc_number] => 04830105 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-16 [patent_title] => 'Centralizer for wellbore apparatus' [patent_app_type] => 1 [patent_app_number] => 7/153104 [patent_app_country] => US [patent_app_date] => 1988-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2192 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/830/04830105.pdf [firstpage_image] =>[orig_patent_app_number] => 153104 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/153104
Centralizer for wellbore apparatus Feb 7, 1988 Issued
Array ( [id] => 2533904 [patent_doc_number] => 04805696 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-21 [patent_title] => 'Hydraulic release tubing seal divider' [patent_app_type] => 1 [patent_app_number] => 7/151898 [patent_app_country] => US [patent_app_date] => 1988-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5002 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/805/04805696.pdf [firstpage_image] =>[orig_patent_app_number] => 151898 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/151898
Hydraulic release tubing seal divider Feb 2, 1988 Issued
Array ( [id] => 2373904 [patent_doc_number] => 04776412 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-10-11 [patent_title] => 'Nozzle assembly for rotary drill bit and method of installation' [patent_app_type] => 1 [patent_app_number] => 7/150283 [patent_app_country] => US [patent_app_date] => 1988-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2642 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/776/04776412.pdf [firstpage_image] =>[orig_patent_app_number] => 150283 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/150283
Nozzle assembly for rotary drill bit and method of installation Jan 28, 1988 Issued
Array ( [id] => 2399685 [patent_doc_number] => 04785884 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-22 [patent_title] => 'Consolidation of partially cured resin coated particulate material' [patent_app_type] => 1 [patent_app_number] => 7/149569 [patent_app_country] => US [patent_app_date] => 1988-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4412 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/785/04785884.pdf [firstpage_image] =>[orig_patent_app_number] => 149569 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/149569
Consolidation of partially cured resin coated particulate material Jan 27, 1988 Issued
Array ( [id] => 2511096 [patent_doc_number] => 04872519 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-10 [patent_title] => 'Drill string drill collars' [patent_app_type] => 1 [patent_app_number] => 7/148024 [patent_app_country] => US [patent_app_date] => 1988-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2693 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/872/04872519.pdf [firstpage_image] =>[orig_patent_app_number] => 148024 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/148024
Drill string drill collars Jan 24, 1988 Issued
Array ( [id] => 2549702 [patent_doc_number] => 04944350 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-31 [patent_title] => 'Tool for closing a well tubing' [patent_app_type] => 1 [patent_app_number] => 7/147077 [patent_app_country] => US [patent_app_date] => 1988-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 6168 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/944/04944350.pdf [firstpage_image] =>[orig_patent_app_number] => 147077 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/147077
Tool for closing a well tubing Jan 19, 1988 Issued
Array ( [id] => 2433763 [patent_doc_number] => 04791997 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-20 [patent_title] => 'Pipe handling apparatus and method' [patent_app_type] => 1 [patent_app_number] => 7/142105 [patent_app_country] => US [patent_app_date] => 1988-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3748 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/791/04791997.pdf [firstpage_image] =>[orig_patent_app_number] => 142105 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/142105
Pipe handling apparatus and method Jan 6, 1988 Issued
Array ( [id] => 2507570 [patent_doc_number] => 04869555 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-26 [patent_title] => 'Apparatus for recovery of sulfur' [patent_app_type] => 1 [patent_app_number] => 7/141229 [patent_app_country] => US [patent_app_date] => 1988-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6037 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/869/04869555.pdf [firstpage_image] =>[orig_patent_app_number] => 141229 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/141229
Apparatus for recovery of sulfur Jan 5, 1988 Issued
Array ( [id] => 2498931 [patent_doc_number] => 04854399 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-08 [patent_title] => 'Tubular element for use in a rotary drilling assembly' [patent_app_type] => 1 [patent_app_number] => 7/141173 [patent_app_country] => US [patent_app_date] => 1988-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 1642 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/854/04854399.pdf [firstpage_image] =>[orig_patent_app_number] => 141173 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/141173
Tubular element for use in a rotary drilling assembly Jan 5, 1988 Issued
Array ( [id] => 2473114 [patent_doc_number] => 04823875 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-25 [patent_title] => 'Well treating method and system for stimulating recovery of fluids' [patent_app_type] => 1 [patent_app_number] => 7/139614 [patent_app_country] => US [patent_app_date] => 1987-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 14539 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/823/04823875.pdf [firstpage_image] =>[orig_patent_app_number] => 139614 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/139614
Well treating method and system for stimulating recovery of fluids Dec 29, 1987 Issued
Array ( [id] => 2373710 [patent_doc_number] => 04771829 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-20 [patent_title] => 'Well liner with selective isolation screen' [patent_app_type] => 1 [patent_app_number] => 7/139328 [patent_app_country] => US [patent_app_date] => 1987-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4155 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/771/04771829.pdf [firstpage_image] =>[orig_patent_app_number] => 139328 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/139328
Well liner with selective isolation screen Dec 29, 1987 Issued
Array ( [id] => 2502231 [patent_doc_number] => 04818026 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-04 [patent_title] => 'Shield type tunneling apparatus' [patent_app_type] => 1 [patent_app_number] => 7/138940 [patent_app_country] => US [patent_app_date] => 1987-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1310 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/818/04818026.pdf [firstpage_image] =>[orig_patent_app_number] => 138940 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/138940
Shield type tunneling apparatus Dec 28, 1987 Issued
Array ( [id] => 2436408 [patent_doc_number] => 04790572 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-13 [patent_title] => 'Tapered wedge packoff assembly for a casing hanger' [patent_app_type] => 1 [patent_app_number] => 7/138617 [patent_app_country] => US [patent_app_date] => 1987-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2550 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/790/04790572.pdf [firstpage_image] =>[orig_patent_app_number] => 138617 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/138617
Tapered wedge packoff assembly for a casing hanger Dec 27, 1987 Issued
Array ( [id] => 2496380 [patent_doc_number] => 04817717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-04 [patent_title] => 'Hydraulic fracturing with a refractory proppant for sand control' [patent_app_type] => 1 [patent_app_number] => 7/138175 [patent_app_country] => US [patent_app_date] => 1987-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3132 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/817/04817717.pdf [firstpage_image] =>[orig_patent_app_number] => 138175 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/138175
Hydraulic fracturing with a refractory proppant for sand control Dec 27, 1987 Issued
Array ( [id] => 2375934 [patent_doc_number] => 04793413 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-27 [patent_title] => 'Method for determining formation parting pressure' [patent_app_type] => 1 [patent_app_number] => 7/135873 [patent_app_country] => US [patent_app_date] => 1987-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 6355 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/793/04793413.pdf [firstpage_image] =>[orig_patent_app_number] => 135873 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/135873
Method for determining formation parting pressure Dec 20, 1987 Issued
Array ( [id] => 2517504 [patent_doc_number] => 04883447 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-28 [patent_title] => 'Power transmission belt' [patent_app_type] => 1 [patent_app_number] => 7/136202 [patent_app_country] => US [patent_app_date] => 1987-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 1875 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/883/04883447.pdf [firstpage_image] =>[orig_patent_app_number] => 136202 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/136202
Power transmission belt Dec 20, 1987 Issued
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