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] => 2401123 [patent_doc_number] => 04718496 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-12 [patent_title] => 'Method and apparatus for the completion of an oil or gas well and the like' [patent_app_type] => 1 [patent_app_number] => 7/000602 [patent_app_country] => US [patent_app_date] => 1987-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2851 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/718/04718496.pdf [firstpage_image] =>[orig_patent_app_number] => 000602 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/000602
Method and apparatus for the completion of an oil or gas well and the like Jan 4, 1987 Issued
Array ( [id] => 2282211 [patent_doc_number] => 04709759 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-12-01 [patent_title] => 'Enhanced oil recovery with hydrophobically associating polymers containing N-vinyl-pyrrolidone functionality' [patent_app_type] => 1 [patent_app_number] => 6/946864 [patent_app_country] => US [patent_app_date] => 1986-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8890 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/709/04709759.pdf [firstpage_image] =>[orig_patent_app_number] => 946864 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/946864
Enhanced oil recovery with hydrophobically associating polymers containing N-vinyl-pyrrolidone functionality Dec 28, 1986 Issued
Array ( [id] => 2374272 [patent_doc_number] => 04729431 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-03-08 [patent_title] => 'Oil recovery by quenched in situ combustion' [patent_app_type] => 1 [patent_app_number] => 6/947298 [patent_app_country] => US [patent_app_date] => 1986-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3511 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/729/04729431.pdf [firstpage_image] =>[orig_patent_app_number] => 947298 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/947298
Oil recovery by quenched in situ combustion Dec 28, 1986 Issued
Array ( [id] => 2347338 [patent_doc_number] => 04714114 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-12-22 [patent_title] => 'Use of a proppant with controlled pulse fracturing' [patent_app_type] => 1 [patent_app_number] => 6/944739 [patent_app_country] => US [patent_app_date] => 1986-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2265 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/714/04714114.pdf [firstpage_image] =>[orig_patent_app_number] => 944739 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/944739
Use of a proppant with controlled pulse fracturing Dec 21, 1986 Issued
Array ( [id] => 2401067 [patent_doc_number] => 04718493 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-12 [patent_title] => 'Well treating method and system for stimulating recovery of fluids' [patent_app_type] => 1 [patent_app_number] => 6/943551 [patent_app_country] => US [patent_app_date] => 1986-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 10 [patent_no_of_words] => 4393 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/718/04718493.pdf [firstpage_image] =>[orig_patent_app_number] => 943551 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/943551
Well treating method and system for stimulating recovery of fluids Dec 17, 1986 Issued
Array ( [id] => 2431593 [patent_doc_number] => 04756371 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-12 [patent_title] => 'Perforation apparatus and method' [patent_app_type] => 1 [patent_app_number] => 6/941609 [patent_app_country] => US [patent_app_date] => 1986-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 17 [patent_no_of_words] => 5148 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/756/04756371.pdf [firstpage_image] =>[orig_patent_app_number] => 941609 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/941609
Perforation apparatus and method Dec 14, 1986 Issued
Array ( [id] => 2431982 [patent_doc_number] => 04739829 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-26 [patent_title] => 'Wireline operated oil well dump bailer' [patent_app_type] => 1 [patent_app_number] => 6/940597 [patent_app_country] => US [patent_app_date] => 1986-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4116 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/739/04739829.pdf [firstpage_image] =>[orig_patent_app_number] => 940597 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/940597
Wireline operated oil well dump bailer Dec 10, 1986 Issued
Array ( [id] => 2510158 [patent_doc_number] => 04838354 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-13 [patent_title] => 'Down hole oil field clean-out method' [patent_app_type] => 1 [patent_app_number] => 6/940267 [patent_app_country] => US [patent_app_date] => 1986-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 24 [patent_no_of_words] => 4398 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/838/04838354.pdf [firstpage_image] =>[orig_patent_app_number] => 940267 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/940267
Down hole oil field clean-out method Dec 10, 1986 Issued
Array ( [id] => 2358106 [patent_doc_number] => 04693310 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-09-15 [patent_title] => 'Conformance correction to improve hydrocarbon recovery from a subterranean formation' [patent_app_type] => 1 [patent_app_number] => 6/939985 [patent_app_country] => US [patent_app_date] => 1986-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3745 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/693/04693310.pdf [firstpage_image] =>[orig_patent_app_number] => 939985 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/939985
Conformance correction to improve hydrocarbon recovery from a subterranean formation Dec 9, 1986 Issued
Array ( [id] => 2443711 [patent_doc_number] => 04716964 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-05 [patent_title] => 'Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion' [patent_app_type] => 1 [patent_app_number] => 6/940193 [patent_app_country] => US [patent_app_date] => 1986-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 5672 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/716/04716964.pdf [firstpage_image] =>[orig_patent_app_number] => 940193 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/940193
Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion Dec 9, 1986 Issued
Array ( [id] => 2347927 [patent_doc_number] => 04687061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-08-18 [patent_title] => 'Stimulation of earth formations surrounding a deviated wellbore by sequential hydraulic fracturing' [patent_app_type] => 1 [patent_app_number] => 6/938891 [patent_app_country] => US [patent_app_date] => 1986-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1929 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/687/04687061.pdf [firstpage_image] =>[orig_patent_app_number] => 938891 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/938891
Stimulation of earth formations surrounding a deviated wellbore by sequential hydraulic fracturing Dec 7, 1986 Issued
Array ( [id] => 2347329 [patent_doc_number] => 04714113 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-12-22 [patent_title] => 'Alkaline water flooding with a precipitation inhibitor for enhanced oil recovery' [patent_app_type] => 1 [patent_app_number] => 6/938496 [patent_app_country] => US [patent_app_date] => 1986-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3611 [patent_no_of_claims] => 18 [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/04/714/04714113.pdf [firstpage_image] =>[orig_patent_app_number] => 938496 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/938496
Alkaline water flooding with a precipitation inhibitor for enhanced oil recovery Dec 4, 1986 Issued
Array ( [id] => 2544330 [patent_doc_number] => 04856590 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-15 [patent_title] => 'Process for washing through filter media in a production zone with a pre-packed screen and coil tubing' [patent_app_type] => 1 [patent_app_number] => 6/935742 [patent_app_country] => US [patent_app_date] => 1986-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3179 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/856/04856590.pdf [firstpage_image] =>[orig_patent_app_number] => 935742 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/935742
Process for washing through filter media in a production zone with a pre-packed screen and coil tubing Nov 27, 1986 Issued
Array ( [id] => 2529197 [patent_doc_number] => RE032866 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-14 [patent_title] => 'Method and apparatus for distributing fluids within a subterranean wellbore' [patent_app_type] => 2 [patent_app_number] => 6/936537 [patent_app_country] => US [patent_app_date] => 1986-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1666 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/032/RE032866.pdf [firstpage_image] =>[orig_patent_app_number] => 936537 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/936537
Method and apparatus for distributing fluids within a subterranean wellbore Nov 25, 1986 Issued
06/934696 IN-WELL HEAT EXCHANGE METHOD FOR IMPROVED RECOVERY OF SUBTERRANEAN FLUIDS WITH POOR FLOWABILITY Nov 24, 1986 Abandoned
06/928123 OIL RECOVERY WITH WATER CONTAINING CARBONATE SALT AND CO2 Nov 6, 1986 Abandoned
Array ( [id] => 2324764 [patent_doc_number] => 04700782 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-10-20 [patent_title] => 'Flow control valve for use in oil and gas wells and the like' [patent_app_type] => 1 [patent_app_number] => 6/928445 [patent_app_country] => US [patent_app_date] => 1986-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2526 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/700/04700782.pdf [firstpage_image] =>[orig_patent_app_number] => 928445 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/928445
Flow control valve for use in oil and gas wells and the like Nov 6, 1986 Issued
Array ( [id] => 2443934 [patent_doc_number] => 04716976 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-05 [patent_title] => 'Rotary percussion drill bit' [patent_app_type] => 1 [patent_app_number] => 6/924528 [patent_app_country] => US [patent_app_date] => 1986-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 14 [patent_no_of_words] => 2697 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/716/04716976.pdf [firstpage_image] =>[orig_patent_app_number] => 924528 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/924528
Rotary percussion drill bit Oct 27, 1986 Issued
06/918467 TOOL FOR CLOSING A WELL TUBING Oct 13, 1986 Abandoned
Array ( [id] => 2306573 [patent_doc_number] => 04715455 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-12-29 [patent_title] => 'Drill shoe' [patent_app_type] => 1 [patent_app_number] => 6/918320 [patent_app_country] => US [patent_app_date] => 1986-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1170 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/715/04715455.pdf [firstpage_image] =>[orig_patent_app_number] => 918320 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/918320
Drill shoe Oct 13, 1986 Issued
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