Search

David Lam

Examiner (ID: 17065, Phone: (571)272-1782 , Office: P/2825 )

Most Active Art Unit
2827
Art Unit(s)
2818, 2827, 2825
Total Applications
2102
Issued Applications
2016
Pending Applications
28
Abandoned Applications
60

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2031190 [patent_doc_number] => 04422909 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-27 [patent_title] => 'Electrolytic process for the manufacture of alkali metal halate' [patent_app_type] => 1 [patent_app_number] => 6/328173 [patent_app_country] => US [patent_app_date] => 1981-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6687 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/422/04422909.pdf [firstpage_image] =>[orig_patent_app_number] => 328173 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/328173
Electrolytic process for the manufacture of alkali metal halate Dec 26, 1981 Issued
Array ( [id] => 2072301 [patent_doc_number] => 04470890 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-11 [patent_title] => 'Method for preventing cathode corrosion' [patent_app_type] => 1 [patent_app_number] => 6/332907 [patent_app_country] => US [patent_app_date] => 1981-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1900 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/470/04470890.pdf [firstpage_image] =>[orig_patent_app_number] => 332907 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/332907
Method for preventing cathode corrosion Dec 20, 1981 Issued
06/332904 HEMISPHERANDS IN ION-SENSITIVE COMPOSITIONS Dec 20, 1981 Abandoned
Array ( [id] => 2063932 [patent_doc_number] => 04440611 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-04-03 [patent_title] => 'Cathodic electrochemical process for preventing or retarding microbial and calcareous fouling' [patent_app_type] => 1 [patent_app_number] => 6/328853 [patent_app_country] => US [patent_app_date] => 1981-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4050 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/440/04440611.pdf [firstpage_image] =>[orig_patent_app_number] => 328853 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/328853
Cathodic electrochemical process for preventing or retarding microbial and calcareous fouling Dec 8, 1981 Issued
Array ( [id] => 2066728 [patent_doc_number] => 04430176 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-02-07 [patent_title] => 'Electrolytic process for producing hydrogen peroxide' [patent_app_type] => 1 [patent_app_number] => 6/321286 [patent_app_country] => US [patent_app_date] => 1981-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3281 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/430/04430176.pdf [firstpage_image] =>[orig_patent_app_number] => 321286 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/321286
Electrolytic process for producing hydrogen peroxide Nov 12, 1981 Issued
Array ( [id] => 2360128 [patent_doc_number] => 04683038 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-28 [patent_title] => 'Process for preparing ceric sulphate' [patent_app_type] => 1 [patent_app_number] => 6/321085 [patent_app_country] => US [patent_app_date] => 1981-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1200 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/683/04683038.pdf [firstpage_image] =>[orig_patent_app_number] => 321085 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/321085
Process for preparing ceric sulphate Nov 12, 1981 Issued
06/318800 ELECTROCHEMICAL SENSOR FOR THE CONCENTRATION OF SPECIES IN A FLUID MIXTURE AND SYSTEM FOR REGULATING THE RICHNESS OF AN AIR-FUEL MIXTURE UTILIZING SUCH A SENSOR Nov 5, 1981 Abandoned
Array ( [id] => 2016834 [patent_doc_number] => 04402819 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-06 [patent_title] => 'Antibody-selective membrane electrodes' [patent_app_type] => 1 [patent_app_number] => 6/313587 [patent_app_country] => US [patent_app_date] => 1981-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2867 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/402/04402819.pdf [firstpage_image] =>[orig_patent_app_number] => 313587 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/313587
Antibody-selective membrane electrodes Oct 20, 1981 Issued
Array ( [id] => 2029709 [patent_doc_number] => 04377460 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-22 [patent_title] => 'Solid electrolyte gas sensing apparatus' [patent_app_type] => 1 [patent_app_number] => 6/312552 [patent_app_country] => US [patent_app_date] => 1981-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2378 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/377/04377460.pdf [firstpage_image] =>[orig_patent_app_number] => 312552 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/312552
Solid electrolyte gas sensing apparatus Oct 18, 1981 Issued
Array ( [id] => 2004852 [patent_doc_number] => 04397726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-09 [patent_title] => 'Cathodically protected vessel' [patent_app_type] => 1 [patent_app_number] => 6/310498 [patent_app_country] => US [patent_app_date] => 1981-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2071 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/397/04397726.pdf [firstpage_image] =>[orig_patent_app_number] => 310498 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/310498
Cathodically protected vessel Oct 12, 1981 Issued
Array ( [id] => 1984922 [patent_doc_number] => 04357217 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-02 [patent_title] => 'Three compartment electrolytic cell method for producing hydrogen peroxide' [patent_app_type] => 1 [patent_app_number] => 6/307926 [patent_app_country] => US [patent_app_date] => 1981-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2180 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/357/04357217.pdf [firstpage_image] =>[orig_patent_app_number] => 307926 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/307926
Three compartment electrolytic cell method for producing hydrogen peroxide Oct 1, 1981 Issued
Array ( [id] => 2094107 [patent_doc_number] => 04456522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-26 [patent_title] => 'Support and anchoring mechanism for membranes in selectively responsive field effect devices' [patent_app_type] => 1 [patent_app_number] => 6/304722 [patent_app_country] => US [patent_app_date] => 1981-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2506 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/456/04456522.pdf [firstpage_image] =>[orig_patent_app_number] => 304722 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/304722
Support and anchoring mechanism for membranes in selectively responsive field effect devices Sep 22, 1981 Issued
06/303320 SOLID STATE GALVANIC-CELL SENSORS FOR MEASURING GASEOUS SULFUR DIOXIDE Sep 16, 1981 Abandoned
Array ( [id] => 2025924 [patent_doc_number] => 04378279 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-29 [patent_title] => 'High temperature electrical connection and method of producing same' [patent_app_type] => 1 [patent_app_number] => 6/297908 [patent_app_country] => US [patent_app_date] => 1981-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 7 [patent_no_of_words] => 1796 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/378/04378279.pdf [firstpage_image] =>[orig_patent_app_number] => 297908 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/297908
High temperature electrical connection and method of producing same Aug 30, 1981 Issued
06/297080 DEVICE OF THE SOLID-ELECTROLYTE ELECTROCHEMICAL CELL TYPE AND A METHOD OF FABRICATION OF SAID DEVICE Aug 26, 1981 Abandoned
Array ( [id] => 2016839 [patent_doc_number] => 04400259 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-23 [patent_title] => 'Deep anode assembly' [patent_app_type] => 1 [patent_app_number] => 6/293900 [patent_app_country] => US [patent_app_date] => 1981-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 4100 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/400/04400259.pdf [firstpage_image] =>[orig_patent_app_number] => 293900 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/293900
Deep anode assembly Aug 17, 1981 Issued
Array ( [id] => 2217508 [patent_doc_number] => 04595462 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-06-17 [patent_title] => 'Method for determining current efficiency in galvanic baths' [patent_app_type] => 1 [patent_app_number] => 6/284100 [patent_app_country] => US [patent_app_date] => 1981-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2558 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/595/04595462.pdf [firstpage_image] =>[orig_patent_app_number] => 284100 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/284100
Method for determining current efficiency in galvanic baths Jul 15, 1981 Issued
Array ( [id] => 2084551 [patent_doc_number] => 04437971 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-20 [patent_title] => 'Electrochemical oxygen sensor, particularly for exhaust gases from combustion engines' [patent_app_type] => 1 [patent_app_number] => 6/275518 [patent_app_country] => US [patent_app_date] => 1981-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2424 [patent_no_of_claims] => 14 [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/04/437/04437971.pdf [firstpage_image] =>[orig_patent_app_number] => 275518 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/275518
Electrochemical oxygen sensor, particularly for exhaust gases from combustion engines Jun 18, 1981 Issued
Array ( [id] => 2057745 [patent_doc_number] => 04409080 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-10-11 [patent_title] => 'System for monitoring a cathodically protected structure' [patent_app_type] => 1 [patent_app_number] => 6/274856 [patent_app_country] => US [patent_app_date] => 1981-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1594 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/409/04409080.pdf [firstpage_image] =>[orig_patent_app_number] => 274856 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/274856
System for monitoring a cathodically protected structure Jun 17, 1981 Issued
06/272854 CORROSION PROTECTION SYSTEM Jun 11, 1981 Abandoned
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