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
06/458342 A NOVEL DROPPING MERCURY ELECTRODE CAPABLE OF AUTOMATIC CONTROL Jan 16, 1983 Abandoned
Array ( [id] => 2175203 [patent_doc_number] => 04514278 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-04-30 [patent_title] => 'Trace water sensor' [patent_app_type] => 1 [patent_app_number] => 6/457992 [patent_app_country] => US [patent_app_date] => 1983-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2432 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/514/04514278.pdf [firstpage_image] =>[orig_patent_app_number] => 457992 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/457992
Trace water sensor Jan 13, 1983 Issued
Array ( [id] => 2090389 [patent_doc_number] => 04486292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-04 [patent_title] => 'Support and anchoring mechanism for membranes in selectively responsive field effect devices' [patent_app_type] => 1 [patent_app_number] => 6/457818 [patent_app_country] => US [patent_app_date] => 1983-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3610 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/486/04486292.pdf [firstpage_image] =>[orig_patent_app_number] => 457818 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/457818
Support and anchoring mechanism for membranes in selectively responsive field effect devices Jan 12, 1983 Issued
Array ( [id] => 2230648 [patent_doc_number] => 04600481 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-07-15 [patent_title] => 'Aluminum production cell components' [patent_app_type] => 1 [patent_app_number] => 6/454719 [patent_app_country] => US [patent_app_date] => 1982-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4854 [patent_no_of_claims] => 12 [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/04/600/04600481.pdf [firstpage_image] =>[orig_patent_app_number] => 454719 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/454719
Aluminum production cell components Dec 29, 1982 Issued
Array ( [id] => 2060762 [patent_doc_number] => 04452683 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-05 [patent_title] => 'Anodic structure for cathodic protection' [patent_app_type] => 1 [patent_app_number] => 6/452268 [patent_app_country] => US [patent_app_date] => 1982-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2521 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/452/04452683.pdf [firstpage_image] =>[orig_patent_app_number] => 452268 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/452268
Anodic structure for cathodic protection Dec 21, 1982 Issued
Array ( [id] => 2078350 [patent_doc_number] => 04434039 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-02-28 [patent_title] => 'Corrosion protection system for hot water tanks' [patent_app_type] => 1 [patent_app_number] => 6/450575 [patent_app_country] => US [patent_app_date] => 1982-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2075 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/434/04434039.pdf [firstpage_image] =>[orig_patent_app_number] => 450575 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/450575
Corrosion protection system for hot water tanks Dec 16, 1982 Issued
Array ( [id] => 2113055 [patent_doc_number] => 04436610 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-13 [patent_title] => 'Apparatus for measuring electrochemical activity' [patent_app_type] => 1 [patent_app_number] => 6/449336 [patent_app_country] => US [patent_app_date] => 1982-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 7626 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/436/04436610.pdf [firstpage_image] =>[orig_patent_app_number] => 449336 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/449336
Apparatus for measuring electrochemical activity Dec 12, 1982 Issued
Array ( [id] => 2196614 [patent_doc_number] => 04541900 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-09-17 [patent_title] => 'Method for heating solid electrolyte' [patent_app_type] => 1 [patent_app_number] => 6/447174 [patent_app_country] => US [patent_app_date] => 1982-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3508 [patent_no_of_claims] => 6 [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/04/541/04541900.pdf [firstpage_image] =>[orig_patent_app_number] => 447174 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/447174
Method for heating solid electrolyte Dec 5, 1982 Issued
Array ( [id] => 2064165 [patent_doc_number] => 04487672 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-11 [patent_title] => 'Method for decreasing corrosion of internal surfaces of metallic conduit systems' [patent_app_type] => 1 [patent_app_number] => 6/438130 [patent_app_country] => US [patent_app_date] => 1982-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1734 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/487/04487672.pdf [firstpage_image] =>[orig_patent_app_number] => 438130 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/438130
Method for decreasing corrosion of internal surfaces of metallic conduit systems Oct 31, 1982 Issued
Array ( [id] => 2164519 [patent_doc_number] => 04540479 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-09-10 [patent_title] => 'Oxygen sensor element with a ceramic heater and a method for manufacturing it' [patent_app_type] => 1 [patent_app_number] => 6/431366 [patent_app_country] => US [patent_app_date] => 1982-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4272 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/540/04540479.pdf [firstpage_image] =>[orig_patent_app_number] => 431366 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/431366
Oxygen sensor element with a ceramic heater and a method for manufacturing it Sep 29, 1982 Issued
Array ( [id] => 2462325 [patent_doc_number] => RE032920 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-09 [patent_title] => 'Electrochemical testing system and method' [patent_app_type] => 2 [patent_app_number] => 6/426690 [patent_app_country] => US [patent_app_date] => 1982-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 8453 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 24 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/032/RE032920.pdf [firstpage_image] =>[orig_patent_app_number] => 426690 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/426690
Electrochemical testing system and method Sep 28, 1982 Issued
Array ( [id] => 2219224 [patent_doc_number] => 04627900 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-12-09 [patent_title] => 'Electrochemical dissolution and control of nickel sulfide scale' [patent_app_type] => 1 [patent_app_number] => 6/412056 [patent_app_country] => US [patent_app_date] => 1982-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3313 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/627/04627900.pdf [firstpage_image] =>[orig_patent_app_number] => 412056 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/412056
Electrochemical dissolution and control of nickel sulfide scale Aug 26, 1982 Issued
Array ( [id] => 2017904 [patent_doc_number] => 04419191 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-06 [patent_title] => 'Electrochemical monitoring method' [patent_app_type] => 1 [patent_app_number] => 6/410184 [patent_app_country] => US [patent_app_date] => 1982-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4085 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/419/04419191.pdf [firstpage_image] =>[orig_patent_app_number] => 410184 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/410184
Electrochemical monitoring method Aug 19, 1982 Issued
Array ( [id] => 2121855 [patent_doc_number] => 04477329 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-10-16 [patent_title] => 'Apparatus for maintaining peroxide concentration' [patent_app_type] => 1 [patent_app_number] => 6/410183 [patent_app_country] => US [patent_app_date] => 1982-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4090 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/477/04477329.pdf [firstpage_image] =>[orig_patent_app_number] => 410183 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/410183
Apparatus for maintaining peroxide concentration Aug 19, 1982 Issued
Array ( [id] => 2227782 [patent_doc_number] => 04571292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-02-18 [patent_title] => 'Apparatus for electrochemical measurements' [patent_app_type] => 1 [patent_app_number] => 6/407566 [patent_app_country] => US [patent_app_date] => 1982-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 5754 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/571/04571292.pdf [firstpage_image] =>[orig_patent_app_number] => 407566 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/407566
Apparatus for electrochemical measurements Aug 11, 1982 Issued
Array ( [id] => 2101237 [patent_doc_number] => 04445989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-05-01 [patent_title] => 'Ceramic anodes for corrosion protection' [patent_app_type] => 1 [patent_app_number] => 6/407189 [patent_app_country] => US [patent_app_date] => 1982-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2933 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/445/04445989.pdf [firstpage_image] =>[orig_patent_app_number] => 407189 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/407189
Ceramic anodes for corrosion protection Aug 10, 1982 Issued
Array ( [id] => 2143207 [patent_doc_number] => 04505806 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-19 [patent_title] => 'Oxygen sensor' [patent_app_type] => 1 [patent_app_number] => 6/404836 [patent_app_country] => US [patent_app_date] => 1982-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 4157 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/505/04505806.pdf [firstpage_image] =>[orig_patent_app_number] => 404836 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/404836
Oxygen sensor Aug 2, 1982 Issued
Array ( [id] => 2143222 [patent_doc_number] => 04505807 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-19 [patent_title] => 'Oxygen sensor' [patent_app_type] => 1 [patent_app_number] => 6/404837 [patent_app_country] => US [patent_app_date] => 1982-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 10591 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 351 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/505/04505807.pdf [firstpage_image] =>[orig_patent_app_number] => 404837 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/404837
Oxygen sensor Aug 2, 1982 Issued
Array ( [id] => 2112999 [patent_doc_number] => 04436604 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-13 [patent_title] => 'Descaler for systems employing water as a heat transfer agent' [patent_app_type] => 1 [patent_app_number] => 6/403929 [patent_app_country] => US [patent_app_date] => 1982-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2925 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/436/04436604.pdf [firstpage_image] =>[orig_patent_app_number] => 403929 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/403929
Descaler for systems employing water as a heat transfer agent Aug 1, 1982 Issued
Array ( [id] => 2195448 [patent_doc_number] => 04502929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-05 [patent_title] => 'Corrosion protection method' [patent_app_type] => 1 [patent_app_number] => 6/403203 [patent_app_country] => US [patent_app_date] => 1982-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 5125 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/502/04502929.pdf [firstpage_image] =>[orig_patent_app_number] => 403203 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/403203
Corrosion protection method Jul 28, 1982 Issued
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