Get-WindowsUpdates.ps1

$sb = {
  (New-Object -ComObject Microsoft.Update.Session).CreateUpdateSearcher() | %{
      $_.QueryHistory(0, $_.GetTotalHistoryCount()) |
          ? resultcode -in 2,3 |
          ? operation -eq 1 |
          select title,date -unique |
          %{ [pscustomobject]$_ }
  }
}
$s = "s1,s2,s3,s4".split(',')
$j = icm $s -sc $sb -as
$r = gjb|wjb|rcjb
$r| ft pscomputername,date,title

more.ps1

#get data from the update service
$o = new-object -c microsoft.update.session
$s = $o.CreateupdateSearcher()
$u = @($s.Search("IsHidden=0 and IsInstalled=0").Updates)
$Updates | Select-Object Title

#or can look at history
$Session = New-Object -ComObject "Microsoft.Update.Session"
$Searcher = $Session.CreateUpdateSearcher()
$historyCount = $Searcher.GetTotalHistoryCount()
$historyEntries = $Searcher.QueryHistory(0, $historyCount)
$Result = foreach($historyEntry in $historyEntries){
    New-Object PSCustomObject -Property @{
        COMPUTERNAME = $env:COMPUTERNAME
        Date = $historyEntry.Date
        Operation = switch($historyEntry.operation) {
            1 {"Installation"}
            2 {"Uninstallation"}
            3 {"Other"}
        }
        Status = switch($historyEntry.resultcode) {
            1 {"In Progress"}
            2 {"Succeeded"}
            3 {"Succeeded With Errors"}
            4 {"Failed"}
            5 {"Aborted"}
       }
       #Update = IF($historyEntry.Title.tostring() -match "\(.*?\)"){$matches[0].replace('(','').replace(')','')}
       Title = $historyEntry.Title
    }
}
$Result | Where{$_.Date -gt (Get-Date).AddDays(-30
)} | Sort-Object Date | ft *