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DIFF Subgroup
H04L 67/1001

for accessing one among a plurality of replicated servers

Introduced: January 2022

Full Title

Full titles differ between systems:

IPC:

Network arrangements or protocols for supporting network services or applications > Protocols > in which an application is distributed across nodes in the network > for accessing one among a plurality of replicated servers

CPC:

Network arrangements or protocols for supporting network services or applications (user-to-user messaging H04L51/00; network arrangements, protocols or services for supporting real-time applications in data packet communications networks H04L65/00) > Protocols > in which an application is distributed across nodes in the network (software deployment G06F8/60; multiprogramming arrangements G06F9/46) > for accessing one among a plurality of replicated servers

Of 8 combined children, 7 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2022.

Child Classifications

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  • H04L 67/10015 CPC only CPC only
  • H04L 67/1027 Persistence of sessions during load balancing since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1029 using data related to the state of servers by a load balancer since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1031 Controlling of the operation of servers by a load balancer, e.g. adding or removing servers that serve requests since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1034 Reaction to server failures by a load balancer since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1036 Load balancing of requests to servers for services different from user content provisioning, e.g. load balancing across domain name servers since 2022 IPC+CPC Available in IPC and CPC
  • H04L 67/1038 Load balancing arrangements to avoid a single path through a load balancer since 2022 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327

Top Applicants (CPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498