{"id":4870,"date":"2025-07-26T08:00:00","date_gmt":"2025-07-26T13:00:00","guid":{"rendered":"https:\/\/patents.harnessip.com\/?p=4870"},"modified":"2025-07-26T16:30:49","modified_gmt":"2025-07-26T21:30:49","slug":"july-26-2025","status":"publish","type":"post","link":"https:\/\/patents.harnessip.com\/?p=4870","title":{"rendered":"July 26, 2025"},"content":{"rendered":"\n<p>On July 26m 1904, Degar Oyrbell Hooley received U.S. Patent No. 765975 on an Apparatus for the Preparation of Tar Macadam.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-61.png\"><img loading=\"lazy\" decoding=\"async\" width=\"537\" height=\"827\" src=\"https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-61.png\" alt=\"\" class=\"wp-image-4871\" srcset=\"https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-61.png 537w, https:\/\/patents.harnessip.com\/wp-content\/uploads\/2025\/07\/image-61-195x300.png 195w\" sizes=\"auto, (max-width: 537px) 100vw, 537px\" \/><\/a><\/figure>\n\n\n\n<p>Tarmacadam or tarmac is a road surfacing material made by combining tar and macadam (crushed stone and sand).  It is more durable and dust-free than compacted stone macadam invented by Scottish engineer John Loudon <em>McAdam<\/em>.  Today &#8220;tarmacadam&#8221; and &#8220;tarmac&#8221; are also used for a variety of other materials, including tar-grouted macadam, bituminous surface treatments and modern asphalt concrete.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On July 26m 1904, Degar Oyrbell Hooley received U.S. Patent No. 765975 on an Apparatus for the Preparation of Tar Macadam. Tarmacadam or tarmac is a road surfacing material made by combining tar and macadam (crushed stone and sand). It &hellip; <a href=\"https:\/\/patents.harnessip.com\/?p=4870\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-4870","post","type-post","status-publish","format-standard","hentry","category-patent-of-the-day"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts\/4870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4870"}],"version-history":[{"count":1,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts\/4870\/revisions"}],"predecessor-version":[{"id":4872,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=\/wp\/v2\/posts\/4870\/revisions\/4872"}],"wp:attachment":[{"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/patents.harnessip.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}