Search

David J Walczak

Examiner (ID: 15568, Phone: (571)272-4895 , Office: P/3754 )

Most Active Art Unit
3754
Art Unit(s)
2403, 2832, 2899, 3751, 3105, 3754
Total Applications
4576
Issued Applications
3558
Pending Applications
210
Abandoned Applications
807

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17804019 [patent_doc_number] => 11418336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Digital ledger for unique item IDs with ownership [patent_app_type] => utility [patent_app_number] => 16/447019 [patent_app_country] => US [patent_app_date] => 2019-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8626 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16447019 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/447019
Digital ledger for unique item IDs with ownership Jun 19, 2019 Issued
Array ( [id] => 19259665 [patent_doc_number] => 12019719 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Method and electronic device for authenticating a user [patent_app_type] => utility [patent_app_number] => 17/056042 [patent_app_country] => US [patent_app_date] => 2019-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 6415 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17056042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/056042
Method and electronic device for authenticating a user Jun 17, 2019 Issued
Array ( [id] => 17507797 [patent_doc_number] => 20220100900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => MODIFYING DATA ITEMS [patent_app_type] => utility [patent_app_number] => 17/414587 [patent_app_country] => US [patent_app_date] => 2019-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17414587 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/414587
MODIFYING DATA ITEMS Jun 13, 2019 Pending
Array ( [id] => 16508377 [patent_doc_number] => 20200387633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => APPARATUS, METHOD, AND PROGRAM PRODUCT FOR SECURING PERSONAL INFORMATION IN A FILE [patent_app_type] => utility [patent_app_number] => 16/434873 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6498 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16434873 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/434873
APPARATUS, METHOD, AND PROGRAM PRODUCT FOR SECURING PERSONAL INFORMATION IN A FILE Jun 6, 2019 Abandoned
Array ( [id] => 16846754 [patent_doc_number] => 11018863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-25 [patent_title] => Graphics processor with encrypted kernels [patent_app_type] => utility [patent_app_number] => 16/435083 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 10306 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16435083 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/435083
Graphics processor with encrypted kernels Jun 6, 2019 Issued
Array ( [id] => 15094527 [patent_doc_number] => 20190342075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-07 [patent_title] => METHOD AND SYSTEM FOR ENCRYPTING DATA WITH AN ALL-OR-NOTHING ENCRYPTION SCHEME HAVING ADDITIONAL RANDOMNESS [patent_app_type] => utility [patent_app_number] => 16/423209 [patent_app_country] => US [patent_app_date] => 2019-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3672 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16423209 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/423209
Method and system for encrypting data with an all-or-nothing encryption scheme having additional randomness May 27, 2019 Issued
Array ( [id] => 16472599 [patent_doc_number] => 20200374137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => SYSTEMS, METHODS, AND STORAGE MEDIA FOR PERMISSIONED DELEGATION IN A COMPUTING ENVIRONMENT [patent_app_type] => utility [patent_app_number] => 16/422168 [patent_app_country] => US [patent_app_date] => 2019-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6650 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16422168 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/422168
Systems, methods, and storage media for permissioned delegation in a computing environment May 23, 2019 Issued
Array ( [id] => 14814225 [patent_doc_number] => 20190273722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => PASSPORT-CONTROLLED FIREWALL [patent_app_type] => utility [patent_app_number] => 16/416367 [patent_app_country] => US [patent_app_date] => 2019-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6677 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16416367 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/416367
Passport-controlled firewall May 19, 2019 Issued
Array ( [id] => 16454928 [patent_doc_number] => 20200364354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => MITIGATION OF RANSOMWARE IN INTEGRATED, ISOLATED APPLICATIONS [patent_app_type] => utility [patent_app_number] => 16/415690 [patent_app_country] => US [patent_app_date] => 2019-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16415690 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/415690
MITIGATION OF RANSOMWARE IN INTEGRATED, ISOLATED APPLICATIONS May 16, 2019 Pending
Array ( [id] => 16387602 [patent_doc_number] => 10812457 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-10-20 [patent_title] => Cryptographically protecting data transferred between spatially distributed computing devices using an intermediary database [patent_app_type] => utility [patent_app_number] => 16/413867 [patent_app_country] => US [patent_app_date] => 2019-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8631 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16413867 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/413867
Cryptographically protecting data transferred between spatially distributed computing devices using an intermediary database May 15, 2019 Issued
Array ( [id] => 18640314 [patent_doc_number] => 11764947 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Systems and methods for storage, generation and verification of tokens used to control access to a resource [patent_app_type] => utility [patent_app_number] => 17/055460 [patent_app_country] => US [patent_app_date] => 2019-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4420 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17055460 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/055460
Systems and methods for storage, generation and verification of tokens used to control access to a resource May 12, 2019 Issued
Array ( [id] => 16980179 [patent_doc_number] => 20210224416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => CRYPTOGRAPHIC KEY MANAGEMENT [patent_app_type] => utility [patent_app_number] => 17/055477 [patent_app_country] => US [patent_app_date] => 2019-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6756 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17055477 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/055477
CRYPTOGRAPHIC KEY MANAGEMENT May 6, 2019 Abandoned
Array ( [id] => 17333151 [patent_doc_number] => 11223624 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-01-11 [patent_title] => System and method for recursive propagating application access control [patent_app_type] => utility [patent_app_number] => 16/398198 [patent_app_country] => US [patent_app_date] => 2019-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7408 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 420 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16398198 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/398198
System and method for recursive propagating application access control Apr 28, 2019 Issued
Array ( [id] => 14724793 [patent_doc_number] => 20190253460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-15 [patent_title] => POLICY ENFORCEMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 16/397750 [patent_app_country] => US [patent_app_date] => 2019-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16397750 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/397750
Policy enforcement system Apr 28, 2019 Issued
Array ( [id] => 16349415 [patent_doc_number] => 20200314066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => VALIDATING FIREWALL RULES USING DATA AT REST [patent_app_type] => utility [patent_app_number] => 16/370754 [patent_app_country] => US [patent_app_date] => 2019-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5969 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16370754 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/370754
VALIDATING FIREWALL RULES USING DATA AT REST Mar 28, 2019 Pending
Array ( [id] => 15261627 [patent_doc_number] => 20190379547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => MESSAGE AUTHENTICATION CODE (MAC) BASED COMPRESSION AND DECOMPRESSION [patent_app_type] => utility [patent_app_number] => 16/370108 [patent_app_country] => US [patent_app_date] => 2019-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16370108 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/370108
Message authentication code (MAC) based compression and decompression Mar 28, 2019 Issued
Array ( [id] => 16349222 [patent_doc_number] => 20200313873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => SECURE COMMUNICATION FOR A KEY EXCHANGE [patent_app_type] => utility [patent_app_number] => 16/362970 [patent_app_country] => US [patent_app_date] => 2019-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6368 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16362970 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/362970
Secure communication for a key exchange Mar 24, 2019 Issued
Array ( [id] => 16333323 [patent_doc_number] => 20200304289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => INFORMATION MANAGEMENT IN A DATABASE [patent_app_type] => utility [patent_app_number] => 16/361648 [patent_app_country] => US [patent_app_date] => 2019-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20562 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16361648 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/361648
Information management in a database Mar 21, 2019 Issued
Array ( [id] => 18343789 [patent_doc_number] => 11641274 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-02 [patent_title] => Systems and methods for manipulation of private information on untrusted environments [patent_app_type] => utility [patent_app_number] => 16/361324 [patent_app_country] => US [patent_app_date] => 2019-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5241 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 426 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16361324 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/361324
Systems and methods for manipulation of private information on untrusted environments Mar 21, 2019 Issued
Array ( [id] => 16700793 [patent_doc_number] => 10951415 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => System, method, and computer program product for implementing zero round trip secure communications based on noisy secrets with a polynomial secret sharing scheme [patent_app_type] => utility [patent_app_number] => 16/352546 [patent_app_country] => US [patent_app_date] => 2019-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5539 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16352546 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/352546
System, method, and computer program product for implementing zero round trip secure communications based on noisy secrets with a polynomial secret sharing scheme Mar 12, 2019 Issued
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