{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Companies", "item": "https://www.patentleaderboard.com/companies"}, {"@type": "ListItem", "position": 3, "name": "C & D Enterprises", "item": "https://www.patentleaderboard.com/company/c-d-enterprises"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CE

C & D Enterprises — 7 Patents

Rank (All Time): #74,316 of 105,732Top 75%
9 inventors
7 Patents All Time

Patents per Year

Patents granted per year, 1981 to 2010Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811992: 1 patents19921993: 1 patents19932000: 1 patents20002006: 1 patents20062008: 1 patents20082010: 1 patents2010

Top Inventors at C & D Enterprises All Time

Showing 1–9 of 9 inventors

RankNamePatents
1 Charles Farley 2
1 Craig Hefner 2
3 Albert T. Wilt 1
3 Bill Christensen 1
3 Charles W. Conklin 1
3 Christopher Viens 1
3 Clyde W. Creech 1
3 Gary L. Ingram 1
3 David K. Diffee 1