
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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
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[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
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[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
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[patent_words_short_claim] => 172
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[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
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[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 |